CONCEPTShttp://cat.aii.caas.cn/concept/32423cat.aii.caas.cnhttp://cat.aii.caas.cn/concept/32424cat.aii.caas.cnhttp://eurovoc.europa.eu/4778eurovoc.europa.euhttp://lod.gesis.org/thesoz/concept/10042370lod.gesis.orghttp://lod.gesis.org/thesoz/concept/10048377lod.gesis.orghttp://lod.nal.usda.gov/nalt/15651lod.nal.usda.govhttp://www.fao.org/countryprofiles/geoinfo/geopolitical/resource/Yugoslaviawww.fao.org。