Yaowared Thongsima และ Manisri Puntularp. (2001) Cost analysis of social security in-patients at Nakornthon Hospital. Chulalongkorn University:ม.ป.ท.Yaowared Thongsima และ Manisri Puntularp. 2001. Cost analysis of social security in-patients at Nakornthon Hospital. ม.ป.ท.:Chulalongkorn University;Yaowared Thongsima และ Manisri Puntularp. Cost analysis of social security in-patients at Nakornthon Hospital. ม.ป.ท.:Chulalongkorn University, 2001. Print.