Kanha But. 2016. Investigations of effluent quality of Cha-Am municipality wastewater treatment ponds system. , Mahidol University;
Kanha But. (2016) Investigations of effluent quality of Cha-Am municipality wastewater treatment ponds system . Mahidol University/Nakhon Pathom.
Kanha But. Investigations of effluent quality of Cha-Am municipality wastewater treatment ponds system. . Nakhon Pathom:Mahidol University, 2016.
Kanha But. (2016) Investigations of effluent quality of Cha-Am municipality wastewater treatment ponds system . Mahidol University/Nakhon Pathom.