https://vocabularyserver.com/interwater/es/ InterWATER Tesauro IRC International Water and Sanitation Centre water; sanitation IRC International Water and Sanitation Centre 2011-02-02 es 2011-02-03 09:52:48 cuestionarios 2011-02-03 09:52:48 encuestas https://vocabularyserver.com/interwater/es/xml.php?skosTema=411https://vocabularyserver.com/interwater/es/xml.php?skosTema=910