Peerapong Hanpichanchai. 2002. Controlled release of granular fertilizer using chitosan coating. Field of Study Chemical Engineering, Chulalongkorn University;
Peerapong Hanpichanchai. (2002) Controlled release of granular fertilizer using chitosan coating . Chulalongkorn University/Bangkok.
Peerapong Hanpichanchai. Controlled release of granular fertilizer using chitosan coating. . Bangkok:Chulalongkorn University, 2002.
Peerapong Hanpichanchai. (2002) Controlled release of granular fertilizer using chitosan coating . Chulalongkorn University/Bangkok.