diff --git a/iso690-2021-numeric-brackets-en.csl b/iso690-2021-numeric-brackets-en.csl
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+<?xml version="1.0" encoding="utf-8"?>
+<style xmlns="http://purl.org/net/xbiblio/csl" class="in-text" version="1.0" et-al-min="6" et-al-use-first="5" page-range-format="expanded" default-locale="en-US">
+  <info>
+    <title>ISO-690:2021 (numeric, brackets, English)</title>
+    <title-short>ISO-690:2021 [numeric] EN</title-short>
+    <id>http://www.zotero.org/styles/iso690-2021-numeric-brackets-en</id>
+    <link href="http://www.zotero.org/styles/iso690-2021-numeric-brackets-en" rel="self"/>
+    <link href="http://www.zotero.org/styles/iso690-numeric-en" rel="template"/>
+    <link href="https://www.iso.org/standard/72642.html" rel="documentation"/>
+    <author>
+      <name>Mah.Zad.Yar</name>
+      <email>mah.zad.yar@gmail.com</email>
+    </author>
+    <category citation-format="numeric"/>
+    <category field="generic-base"/>
+    <summary>Style based on ISO 690:2021(E) with numeric references in square brackets for English-language sources.</summary>
+    <updated>2026-04-20T18:25:28+00:00</updated>
+    <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
+  </info>
+  <locale xml:lang="en-US">
+    <terms>
+      <term name="accessed">viewed</term>
+      <term name="available at">available from</term>
+      <term name="no-place">place not known</term>
+      <term name="no-publisher">publisher not known</term>
+    </terms>
+  </locale>
+  <macro name="author">
+    <names variable="author" suffix=". ">
+      <name delimiter="; " and="text" delimiter-precedes-et-al="never" delimiter-precedes-last="never" et-al-min="6" et-al-use-first="5" initialize-with="." name-as-sort-order="first">
+        <name-part name="family" text-case="uppercase"/>
+        <name-part name="given" text-case="capitalize-first"/>
+      </name>
+      <substitute>
+        <names variable="editor">
+          <name delimiter="; " and="text" delimiter-precedes-last="never" et-al-min="6" et-al-use-first="5" initialize-with="." name-as-sort-order="first">
+            <name-part name="family" text-case="uppercase"/>
+            <name-part name="given" text-case="capitalize-first"/>
+          </name>
+          <label form="short" text-case="capitalize-first" prefix=" "/>
+        </names>
+        <text term="anonymous" form="short" text-case="capitalize-first" prefix="[" suffix="]"/>
+      </substitute>
+    </names>
+  </macro>
+  <macro name="container_author">
+    <names variable="container-author" suffix=" ">
+      <name delimiter="; " and="text" delimiter-precedes-last="never" et-al-min="6" et-al-use-first="5" initialize-with="." name-as-sort-order="first">
+        <name-part name="family" text-case="uppercase"/>
+        <name-part name="given" text-case="capitalize-first"/>
+      </name>
+      <substitute>
+        <names variable="editor">
+          <name delimiter="; " and="text" delimiter-precedes-last="never" et-al-min="6" et-al-use-first="5" initialize-with="." name-as-sort-order="first">
+            <name-part name="family" text-case="uppercase"/>
+            <name-part name="given" text-case="capitalize-first"/>
+          </name>
+          <label form="short" text-case="capitalize-first" prefix=" " suffix="."/>
+        </names>
+        <text term="anonymous" form="short" text-case="capitalize-first" prefix="[" suffix="]"/>
+      </substitute>
+    </names>
+  </macro>
+  <macro name="title">
+    <group delimiter=" " suffix=". ">
+      <choose>
+        <if type="book thesis report dataset software" match="any">
+          <group delimiter="">
+            <text variable="title" font-style="italic"/>
+            <text variable="original-title" prefix=" [" suffix="]"/>
+          </group>
+        </if>
+        <else-if type="paper-conference chapter article-journal article-magazine article-newspaper webpage post-weblog post" match="any">
+          <group delimiter="" suffix=". ">
+            <text variable="title"/>
+            <text variable="original-title" prefix=" [" suffix="]"/>
+          </group>
+          <text term="in" text-case="capitalize-first" suffix=": "/>
+          <text macro="container_author"/>
+          <choose>
+            <if variable="container-title">
+              <text variable="container-title" font-style="italic" suffix=" "/>
+            </if>
+            <else-if variable="event-title">
+              <text variable="event-title" font-style="italic" suffix=" "/>
+            </else-if>
+          </choose>
+        </else-if>
+      </choose>
+      <text macro="publication_source"/>
+    </group>
+  </macro>
+  <macro name="publication_source">
+    <choose>
+      <if variable="medium">
+        <text variable="medium" prefix="[" suffix="]"/>
+      </if>
+      <else-if type="dataset">
+        <text value="[dataset]"/>
+      </else-if>
+      <else-if type="software">
+        <text value="[software]"/>
+      </else-if>
+      <else-if variable="URL DOI" match="any">
+        <text term="online" prefix="[" suffix="]"/>
+      </else-if>
+    </choose>
+  </macro>
+  <macro name="editor">
+    <names variable="editor">
+      <label form="short" text-case="capitalize-first" suffix=" "/>
+      <name and="text" delimiter=", "/>
+    </names>
+  </macro>
+  <macro name="time_data">
+    <choose>
+      <if variable="URL DOI" match="any">
+        <group prefix=" [" suffix="]. ">
+          <text term="accessed" text-case="lowercase" suffix=" "/>
+          <date variable="accessed">
+            <date-part name="year" suffix="-" range-delimiter="&#8211;"/>
+            <date-part name="month" suffix="-" form="numeric-leading-zeros" range-delimiter="&#8211;"/>
+            <date-part name="day" form="numeric-leading-zeros" range-delimiter="&#8211;"/>
+          </date>
+        </group>
+      </if>
+    </choose>
+  </macro>
+  <macro name="availability">
+    <choose>
+      <if variable="DOI">
+        <group delimiter=": " suffix=". ">
+          <text term="available at" text-case="capitalize-first"/>
+          <text variable="DOI" prefix="https://doi.org/"/>
+        </group>
+      </if>
+      <else-if variable="URL">
+        <group delimiter=": " suffix=". ">
+          <text term="available at" text-case="capitalize-first"/>
+          <text variable="URL"/>
+        </group>
+      </else-if>
+    </choose>
+  </macro>
+  <macro name="publisher">
+    <choose>
+      <if variable="publisher publisher-place" match="all">
+        <group delimiter=": ">
+          <text variable="publisher-place"/>
+          <text variable="publisher"/>
+        </group>
+      </if>
+      <else-if variable="publisher">
+        <group delimiter=": ">
+          <text term="no-place" prefix="[" suffix="]"/>
+          <text variable="publisher"/>
+        </group>
+      </else-if>
+      <else-if variable="publisher-place">
+        <group delimiter=": ">
+          <text variable="publisher-place"/>
+          <text term="no-publisher" prefix="[" suffix="]"/>
+        </group>
+      </else-if>
+      <else>
+        <group delimiter=": ">
+          <text term="no-place" prefix="[" suffix="]"/>
+          <text term="no-publisher" prefix="[" suffix="]"/>
+        </group>
+      </else>
+    </choose>
+  </macro>
+  <macro name="year-date">
+    <choose>
+      <if variable="issued">
+        <date variable="issued">
+          <date-part name="year" suffix=". " range-delimiter="&#8211;"/>
+        </date>
+      </if>
+      <else>
+        <text term="no date" prefix="[" suffix="]. "/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="pages">
+    <choose>
+      <if type="book thesis" match="any">
+        <group delimiter=" ">
+          <text variable="number-of-pages"/>
+          <label variable="number-of-pages" form="short"/>
+        </group>
+      </if>
+      <else-if type="chapter paper-conference article-newspaper" match="any">
+        <group delimiter=" " suffix=". ">
+          <label variable="page" form="short"/>
+          <text variable="page"/>
+        </group>
+      </else-if>
+    </choose>
+  </macro>
+  <macro name="notes">
+    <text variable="note" suffix=". "/>
+  </macro>
+  <macro name="edition">
+    <choose>
+      <if is-numeric="edition">
+        <group delimiter=" " suffix=". ">
+          <number variable="edition" form="ordinal"/>
+          <label variable="edition" form="short"/>
+        </group>
+      </if>
+      <else-if variable="edition">
+        <text variable="edition" suffix=". "/>
+      </else-if>
+    </choose>
+  </macro>
+  <macro name="version">
+    <text variable="version" prefix="Version " suffix=". "/>
+  </macro>
+  <macro name="license">
+    <text variable="license" prefix="License: " suffix=". "/>
+  </macro>
+  <macro name="archived_copy">
+    <choose>
+      <if variable="archive archive_location" match="any">
+        <group delimiter=": " suffix=". ">
+          <text value="Archived copy available from"/>
+          <choose>
+            <if variable="archive archive_location" match="all">
+              <group delimiter=", ">
+                <text variable="archive"/>
+                <text variable="archive_location"/>
+              </group>
+            </if>
+            <else-if variable="archive_location">
+              <text variable="archive_location"/>
+            </else-if>
+            <else-if variable="archive">
+              <text variable="archive"/>
+            </else-if>
+          </choose>
+        </group>
+      </if>
+    </choose>
+  </macro>
+  <macro name="publisher_block">
+    <group delimiter=", ">
+      <text macro="publisher"/>
+      <text macro="year-date"/>
+    </group>
+  </macro>
+  <macro name="issue">
+    <group delimiter=", ">
+      <group delimiter="&#160;">
+        <label variable="volume" form="short"/>
+        <text variable="volume"/>
+      </group>
+      <group delimiter="&#160;">
+        <label variable="issue" form="short"/>
+        <text variable="issue"/>
+      </group>
+      <group delimiter="&#160;">
+        <label variable="page" form="short"/>
+        <text variable="page"/>
+      </group>
+    </group>
+  </macro>
+  <macro name="isbn">
+    <text prefix="ISBN " variable="ISBN"/>
+  </macro>
+  <citation collapse="citation-number">
+    <sort>
+      <key variable="citation-number"/>
+    </sort>
+    <layout vertical-align="baseline" delimiter=", " prefix="[" suffix="]">
+      <text variable="citation-number"/>
+    </layout>
+  </citation>
+  <bibliography et-al-min="6" et-al-use-first="5" second-field-align="flush">
+    <sort>
+      <key variable="citation-number"/>
+    </sort>
+    <layout>
+      <text variable="citation-number" prefix="[" suffix="]"/>
+      <text macro="author"/>
+      <choose>
+        <if type="book report dataset software" match="any">
+          <group delimiter=" ">
+            <text macro="title"/>
+            <text macro="edition"/>
+            <text macro="version"/>
+            <text macro="editor" suffix="."/>
+            <group delimiter=", ">
+              <text macro="publisher"/>
+              <text macro="year-date"/>
+            </group>
+            <text macro="pages"/>
+            <text prefix="ISBN " variable="ISBN"/>
+            <text macro="license"/>
+            <text macro="availability"/>
+            <text macro="time_data"/>
+          </group>
+        </if>
+        <else-if type="article-journal article-magazine" match="any">
+          <text macro="title"/>
+          <text macro="edition"/>
+          <text macro="year-date"/>
+          <text macro="issue" suffix=". "/>
+          <text macro="license"/>
+          <text macro="availability"/>
+          <text macro="time_data"/>
+        </else-if>
+        <else-if type="article-newspaper">
+          <text macro="title"/>
+          <text macro="edition"/>
+          <text macro="publisher_block"/>
+          <text macro="pages"/>
+          <text macro="license"/>
+          <text macro="availability"/>
+          <text macro="time_data"/>
+        </else-if>
+        <else-if type="chapter entry entry-dictionary entry-encyclopedia" match="any">
+          <text macro="title"/>
+          <text macro="edition"/>
+          <text macro="publisher_block"/>
+          <text macro="pages"/>
+          <group delimiter=" ">
+            <text macro="isbn"/>
+            <text macro="license"/>
+            <text macro="availability"/>
+            <text macro="time_data"/>
+          </group>
+        </else-if>
+        <else-if type="paper-conference">
+          <text macro="title"/>
+          <text macro="publisher_block"/>
+          <text macro="pages"/>
+          <text macro="license"/>
+          <text macro="availability"/>
+          <text macro="time_data"/>
+        </else-if>
+        <else-if type="thesis">
+          <text macro="title"/>
+          <text macro="publisher_block"/>
+          <text macro="license"/>
+          <text macro="availability"/>
+          <text macro="time_data"/>
+        </else-if>
+        <else-if type="patent">
+          <text macro="title"/>
+          <text macro="year-date"/>
+          <text variable="publisher-place" suffix=". "/>
+          <text macro="license"/>
+          <text macro="availability"/>
+          <text macro="time_data"/>
+        </else-if>
+        <else-if type="post-weblog post webpage" match="any">
+          <text macro="title"/>
+          <text macro="publisher_block"/>
+          <text macro="license"/>
+          <text macro="archived_copy"/>
+          <text macro="availability"/>
+          <text macro="time_data"/>
+        </else-if>
+        <else>
+          <group delimiter=" " suffix=".">
+            <text macro="title"/>
+            <text macro="editor"/>
+          </group>
+          <group delimiter=", ">
+            <text macro="publisher"/>
+            <text macro="year-date"/>
+          </group>
+          <text macro="pages"/>
+          <text macro="notes"/>
+          <text macro="license"/>
+          <text macro="availability"/>
+          <text macro="time_data"/>
+        </else>
+      </choose>
+    </layout>
+  </bibliography>
+</style>