Pholchai pongsitichok และ Putthitorn Jirayus. (2013) Business plan:business expansion for wacker in Myanmar. Stamford International University:ม.ป.ท.Pholchai pongsitichok และ Putthitorn Jirayus. 2013. Business plan:business expansion for wacker in Myanmar. ม.ป.ท.:Stamford International University;Pholchai pongsitichok และ Putthitorn Jirayus. Business plan:business expansion for wacker in Myanmar. ม.ป.ท.:Stamford International University, 2013. Print.