Ubonthit Jungtiyanont. 2003. Removal of copper by adsorption using sludge waste. Field of Study Environmental Engineering, Kasetsart University;
Ubonthit Jungtiyanont. (2003) Removal of copper by adsorption using sludge waste . Kasetsart University/Bangkok.
Ubonthit Jungtiyanont. Removal of copper by adsorption using sludge waste. . Bangkok:Kasetsart University, 2003.
Ubonthit Jungtiyanont. (2003) Removal of copper by adsorption using sludge waste . Kasetsart University/Bangkok.