Chintana Sanvong และ Tawadchai Suppadit. (2013) Performance testing of cadmium treatment in soil using broiler litter by pyrolysis for soybean planting. National Institute of Development Administration:ม.ป.ท.Chintana Sanvong และ Tawadchai Suppadit. 2013. Performance testing of cadmium treatment in soil using broiler litter by pyrolysis for soybean planting. ม.ป.ท.:National Institute of Development Administration;Chintana Sanvong และ Tawadchai Suppadit. Performance testing of cadmium treatment in soil using broiler litter by pyrolysis for soybean planting. ม.ป.ท.:National Institute of Development Administration, 2013. Print.