https://vocabularyserver.com/icpsr/ ICPSR Subject Thesaurus Interuniversity Consortium for Political and Social Research social science subject terms Interuniversity Consortium for Political and Social Research 2006-07-26 en 2006-07-26 00:00:00 poverty programs 2006-07-26 00:00:00https://vocabularyserver.com/icpsr/xml.php?skosTema=1443https://vocabularyserver.com/icpsr/xml.php?skosTema=2617https://vocabularyserver.com/icpsr/xml.php?skosTema=3545https://vocabularyserver.com/icpsr/xml.php?skosTema=3547