Niramon Utama-ang. 2006. Development of Jiaogulan tea [Gynostemma pentaphyllum]. Field of Study Agro-Industrial Product Development, Kasetsart University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2006.684

Niramon Utama-ang. Development of Jiaogulan tea [Gynostemma pentaphyllum]. . Bangkok:Kasetsart University, 2006. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2006.684

Niramon Utama-ang. (2006) Development of Jiaogulan tea [Gynostemma pentaphyllum] . Kasetsart University/Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2006.684