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    <link:label id="lab_ck0001027596_ManagementRiskMember_documentation_en-US" xlink:label="lab_ck0001027596_ManagementRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Management Risk Member</link:label>
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    <link:label id="lab_ck0001027596_S000076891Member_documentation_en-US" xlink:label="lab_ck0001027596_S000076891Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Vox Populi ETF S000076891</link:label>
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    <link:label id="lab_ck0001027596_C000237030Member_label_en-US" xlink:label="lab_ck0001027596_C000237030Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vox Populi ETF Class</link:label>
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    <link:label id="lab_ck0001027596_ConsumerSentimentRiskMember_label_en-US" xlink:label="lab_ck0001027596_ConsumerSentimentRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consumer Sentiment Risk Member</link:label>
    <link:label id="lab_ck0001027596_ConsumerSentimentRiskMember_documentation_en-US" xlink:label="lab_ck0001027596_ConsumerSentimentRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consumer Sentiment Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001027596_ConsumerSentimentRiskMember" xlink:href="ck0001027596-20250826.xsd#ck0001027596_ConsumerSentimentRiskMember"/>
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    <link:label id="lab_ck0001027596_ETFRisksMember_documentation_en-US" xlink:label="lab_ck0001027596_ETFRisksMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ETF Risks Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001027596_ETFRisksMember" xlink:href="ck0001027596-20250826.xsd#ck0001027596_ETFRisksMember"/>
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    <link:label id="lab_ck0001027596_ResearchRiskMember_documentation_en-US" xlink:label="lab_ck0001027596_ResearchRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Research Risk Member</link:label>
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