Apiradee Phontaweenukul. 2007. A survey of the opinion of native and Thai English teachers towards the problems of team teaching in supplementary English classes. Bangkok:Thammasat University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.240
Apiradee Phontaweenukul. (2007) A survey of the opinion of native and Thai English teachers towards the problems of team teaching in supplementary English classes (รายงานผลงานวิจัย). Thammasat University:Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.240
Apiradee Phontaweenukul. A survey of the opinion of native and Thai English teachers towards the problems of team teaching in supplementary English classes. Bangkok:Thammasat University, 2007. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.240
Apiradee Phontaweenukul. (2007) A survey of the opinion of native and Thai English teachers towards the problems of team teaching in supplementary English classes (รายงานผลงานวิจัย). Thammasat University:Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.240