Panuwatt Ontes และ Chamlong Poboon. (2020) Evaluation and development of waste minimization system in Bangkok. National Institute of Development Administration:ม.ป.ท.Panuwatt Ontes และ Chamlong Poboon. 2020. Evaluation and development of waste minimization system in Bangkok. ม.ป.ท.:National Institute of Development Administration;Panuwatt Ontes และ Chamlong Poboon. Evaluation and development of waste minimization system in Bangkok. ม.ป.ท.:National Institute of Development Administration, 2020. Print.