Wantana Sa-adpan. 2008. A study of factors affecting the English proficiency of non-native English speaking students at the Asian Institute of Technole. , Thammasat University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2008.166

Wantana Sa-adpan. A study of factors affecting the English proficiency of non-native English speaking students at the Asian Institute of Technole. . Bangkok:Thammasat University, 2008. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2008.166

Wantana Sa-adpan. (2008) A study of factors affecting the English proficiency of non-native English speaking students at the Asian Institute of Technole . Thammasat University/Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2008.166