Tapin Dejtawandamrong. 2008. Why coffee not water? :the attitudes of employees in private companies towards drinking coffee and water. Bangkok:Thammasat University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2008.280
Tapin Dejtawandamrong. (2008) Why coffee not water? :the attitudes of employees in private companies towards drinking coffee and water (รายงานผลงานวิจัย). Thammasat University:Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2008.280
Tapin Dejtawandamrong. Why coffee not water? :the attitudes of employees in private companies towards drinking coffee and water. Bangkok:Thammasat University, 2008. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2008.280
Tapin Dejtawandamrong. (2008) Why coffee not water? :the attitudes of employees in private companies towards drinking coffee and water (รายงานผลงานวิจัย). Thammasat University:Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2008.280