Cheewanan Wuttipan และ Kanokkarn Kaewnuch. (2018) A value-added model in food tourism services: a case study of street food in Bangkok, Thailand. National Institute of Development Administration:ม.ป.ท.Cheewanan Wuttipan และ Kanokkarn Kaewnuch. 2018. A value-added model in food tourism services: a case study of street food in Bangkok, Thailand. ม.ป.ท.:National Institute of Development Administration;Cheewanan Wuttipan และ Kanokkarn Kaewnuch. A value-added model in food tourism services: a case study of street food in Bangkok, Thailand. ม.ป.ท.:National Institute of Development Administration, 2018. Print.