Sasamon Monthalay และ Karika Kunta. (2019) Spatial analysis of appropriate waste separation stations in Bangkok. National Institute of Development Administration:ม.ป.ท.Sasamon Monthalay และ Karika Kunta. 2019. Spatial analysis of appropriate waste separation stations in Bangkok. ม.ป.ท.:National Institute of Development Administration;Sasamon Monthalay และ Karika Kunta. Spatial analysis of appropriate waste separation stations in Bangkok. ม.ป.ท.:National Institute of Development Administration, 2019. Print.