Sittichai Wichaidit. 2014. Pedagogical content knowledge of science teachers: the comparative study of science teachers from Malaysia and Thailand. Phatthalung:Thaksin University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14458/TSU.res.2014.7
Sittichai Wichaidit. (2014) Pedagogical content knowledge of science teachers: the comparative study of science teachers from Malaysia and Thailand (รายงานผลงานวิจัย). Thaksin University:Phatthalung. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14458/TSU.res.2014.7
Sittichai Wichaidit. Pedagogical content knowledge of science teachers: the comparative study of science teachers from Malaysia and Thailand. Phatthalung:Thaksin University, 2014. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14458/TSU.res.2014.7
Sittichai Wichaidit. (2014) Pedagogical content knowledge of science teachers: the comparative study of science teachers from Malaysia and Thailand (รายงานผลงานวิจัย). Thaksin University:Phatthalung. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14458/TSU.res.2014.7