Warut Namatra. 2004. Mineralization process of acid soil mixed with food industry sludge. Field of Study Environmental Sanitation, Mahidol University;
Warut Namatra. (2004) Mineralization process of acid soil mixed with food industry sludge . Mahidol University/Bangkok.
Warut Namatra. Mineralization process of acid soil mixed with food industry sludge. . Bangkok:Mahidol University, 2004.
Warut Namatra. (2004) Mineralization process of acid soil mixed with food industry sludge . Mahidol University/Bangkok.