Janya Narksompong. 2007. A study of Thai phonological features that cause pronunciation problems for Thai people. Bangkok:Thammasat University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.237

Janya Narksompong. A study of Thai phonological features that cause pronunciation problems for Thai people. Bangkok:Thammasat University, 2007. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.237

Janya Narksompong. (2007) A study of Thai phonological features that cause pronunciation problems for Thai people (รายงานผลงานวิจัย). Thammasat University:Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.237