Chanachai Phodoung. 2009. Attitudes toward marketing factors influencing MP3 player purchasing decisions in adults. Bangkok:Thammasat University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2009.439
Chanachai Phodoung. (2009) Attitudes toward marketing factors influencing MP3 player purchasing decisions in adults (รายงานผลงานวิจัย). Thammasat University:Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2009.439
Chanachai Phodoung. Attitudes toward marketing factors influencing MP3 player purchasing decisions in adults. Bangkok:Thammasat University, 2009. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2009.439
Chanachai Phodoung. (2009) Attitudes toward marketing factors influencing MP3 player purchasing decisions in adults (รายงานผลงานวิจัย). Thammasat University:Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2009.439