Nachawon Prasongtham และ Boonyarach Kitiyanan. (2015) Separation of organic and inorganic compounds in solid waste obtained from biodiesel production process. Chulalongkorn University:ม.ป.ท.Nachawon Prasongtham และ Boonyarach Kitiyanan. 2015. Separation of organic and inorganic compounds in solid waste obtained from biodiesel production process. ม.ป.ท.:Chulalongkorn University;Nachawon Prasongtham และ Boonyarach Kitiyanan. Separation of organic and inorganic compounds in solid waste obtained from biodiesel production process. ม.ป.ท.:Chulalongkorn University, 2015. Print.