Khantarat Pratum และ Boonyarat Samphanwattanachai. (2013) A comparison of Thai consumer attitudes about KFC fast food restaurants versus chester’s grill fast food restaurants in Bangkok, Thailand. Stamford International University:ม.ป.ท.Khantarat Pratum และ Boonyarat Samphanwattanachai. 2013. A comparison of Thai consumer attitudes about KFC fast food restaurants versus chester’s grill fast food restaurants in Bangkok, Thailand. ม.ป.ท.:Stamford International University;Khantarat Pratum และ Boonyarat Samphanwattanachai. A comparison of Thai consumer attitudes about KFC fast food restaurants versus chester’s grill fast food restaurants in Bangkok, Thailand. ม.ป.ท.:Stamford International University, 2013. Print.