Kevin Kah Boon Teoh และ Manop Reodecha. (2007) Machine replacement in cooking oil bottling process. Chulalongkorn University:ม.ป.ท.Kevin Kah Boon Teoh และ Manop Reodecha. 2007. Machine replacement in cooking oil bottling process. ม.ป.ท.:Chulalongkorn University;Kevin Kah Boon Teoh และ Manop Reodecha. Machine replacement in cooking oil bottling process. ม.ป.ท.:Chulalongkorn University, 2007. Print.