Wichian Thianjaruwatthana และผู้แต่งคนอื่นๆ. (2009) Technical efficiency and its determinants of regional hospitals in Thailand. Chulalongkorn University:ม.ป.ท.Wichian Thianjaruwatthana และผู้แต่งคนอื่นๆ. 2009. Technical efficiency and its determinants of regional hospitals in Thailand. ม.ป.ท.:Chulalongkorn University;Wichian Thianjaruwatthana และผู้แต่งคนอื่นๆ. Technical efficiency and its determinants of regional hospitals in Thailand. ม.ป.ท.:Chulalongkorn University, 2009. Print.