Phatummawadee Kulawattanapaisarn. 2008. Pronoun reference and its effect on writing. Bangkok:Thammasat University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.res.2008.45

Phatummawadee Kulawattanapaisarn. Pronoun reference and its effect on writing. Bangkok:Thammasat University, 2008. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.res.2008.45

Phatummawadee Kulawattanapaisarn. (2008) Pronoun reference and its effect on writing (รายงานผลงานวิจัย). Thammasat University:Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.res.2008.45