Jamon Jamuang และ Paveena Chaovalitwongse. (2010) Coal blending operation model. Chulalongkorn University:ม.ป.ท.Jamon Jamuang และ Paveena Chaovalitwongse. 2010. Coal blending operation model. ม.ป.ท.:Chulalongkorn University;Jamon Jamuang และ Paveena Chaovalitwongse. Coal blending operation model. ม.ป.ท.:Chulalongkorn University, 2010. Print.