Neungruothai Phanichavalit. 2004. Effect of anoxic holding tank on sludge production and removal efficiency in activated sludge process. Field of Study Environmental Technology, Mahidol University;
Neungruothai Phanichavalit. (2004) Effect of anoxic holding tank on sludge production and removal efficiency in activated sludge process . Mahidol University/Bangkok.
Neungruothai Phanichavalit. Effect of anoxic holding tank on sludge production and removal efficiency in activated sludge process. . Bangkok:Mahidol University, 2004.
Neungruothai Phanichavalit. (2004) Effect of anoxic holding tank on sludge production and removal efficiency in activated sludge process . Mahidol University/Bangkok.