Socio-cultural problems of agricultural development in west sumatra: 2026-02-15T07:36:03+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Saʼdanoer, Amilijoes (Regional Institute of Higher Education and Development, 1976)