Utai Parinyasutinun. 2006. Development competitiveness of dairy manufactures. Faculty of Humanities and Social Sciences, Khon Kaen University;
Utai Parinyasutinun. (2006) Development competitiveness of dairy manufactures . Khon Kaen University/Khon Kaen.
Utai Parinyasutinun. Development competitiveness of dairy manufactures. . Khon Kaen:Khon Kaen University, 2006.
Utai Parinyasutinun. (2006) Development competitiveness of dairy manufactures . Khon Kaen University/Khon Kaen.