Denchai Prabjandee. 2009. Effects of using an english language counseling program on self-directed learning of upper secondary school students. Field of Study Teaching English as a Foreign Language, Chulalongkorn University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/CU.the.2009.5

Denchai Prabjandee. Effects of using an english language counseling program on self-directed learning of upper secondary school students. . Bangkok:Chulalongkorn University, 2009. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/CU.the.2009.5

Denchai Prabjandee. (2009) Effects of using an english language counseling program on self-directed learning of upper secondary school students . Chulalongkorn University/Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/CU.the.2009.5