Wanwarang Ritdhiwanna. 2002. Removal of chromium and murcury from COD analysis watsewater by electrochemical precipitation. Field of Study Environmental Technology, Mahidol University;
Wanwarang Ritdhiwanna. (2002) Removal of chromium and murcury from COD analysis watsewater by electrochemical precipitation . Mahidol University/Bangkok.
Wanwarang Ritdhiwanna. Removal of chromium and murcury from COD analysis watsewater by electrochemical precipitation. . Bangkok:Mahidol University, 2002.
Wanwarang Ritdhiwanna. (2002) Removal of chromium and murcury from COD analysis watsewater by electrochemical precipitation . Mahidol University/Bangkok.