Patummart Chewha. 2003. Impact of nickel and zinc on degradation of organic waste. Field of Study Environmental Management, Chulalongkorn University;
Patummart Chewha. (2003) Impact of nickel and zinc on degradation of organic waste . Chulalongkorn University/Bangkok.
Patummart Chewha. Impact of nickel and zinc on degradation of organic waste. . Bangkok:Chulalongkorn University, 2003.
Patummart Chewha. (2003) Impact of nickel and zinc on degradation of organic waste . Chulalongkorn University/Bangkok.