https://vocabularyserver.com/unesco/en/ UNESCO Thesaurus UNESCO UNESCO 2015-09-16 en 2015-09-18 17:46:54 Industrial education 2015-09-18 17:46:54 Industrial training https://vocabularyserver.com/unesco/en/xml.php?skosTema=679https://vocabularyserver.com/unesco/en/xml.php?skosTema=130https://vocabularyserver.com/unesco/en/xml.php?skosTema=448https://vocabularyserver.com/unesco/en/xml.php?skosTema=683https://vocabularyserver.com/unesco/en/xml.php?skosTema=913