Pichai Triratanaprapunta และ Suphachai Amkha. (2014) Development of suspension fertilizer production with solid raw materials. Kasetsart University:ม.ป.ท.Pichai Triratanaprapunta และ Suphachai Amkha. 2014. Development of suspension fertilizer production with solid raw materials. ม.ป.ท.:Kasetsart University;Pichai Triratanaprapunta และ Suphachai Amkha. Development of suspension fertilizer production with solid raw materials. ม.ป.ท.:Kasetsart University, 2014. Print.