Chayathuch Phuaksaman และ Paveena Chaovalitwongse. (2008) A Multi-item multi-depot inventory routing problem. Chulalongkorn University:ม.ป.ท.Chayathuch Phuaksaman และ Paveena Chaovalitwongse. 2008. A Multi-item multi-depot inventory routing problem. ม.ป.ท.:Chulalongkorn University;Chayathuch Phuaksaman และ Paveena Chaovalitwongse. A Multi-item multi-depot inventory routing problem. ม.ป.ท.:Chulalongkorn University, 2008. Print.