Ekapunt Tanapatapapaiboon. 2005. Utilization of biosolids from activated sludge process of modified starch factory as nitrogen-rich fertilizers. Field of Study Environmental Engineering, Kasetsart University;
Ekapunt Tanapatapapaiboon. (2005) Utilization of biosolids from activated sludge process of modified starch factory as nitrogen-rich fertilizers . Kasetsart University/Bangkok.
Ekapunt Tanapatapapaiboon. Utilization of biosolids from activated sludge process of modified starch factory as nitrogen-rich fertilizers. . Bangkok:Kasetsart University, 2005.
Ekapunt Tanapatapapaiboon. (2005) Utilization of biosolids from activated sludge process of modified starch factory as nitrogen-rich fertilizers . Kasetsart University/Bangkok.