Thitivadee Boonyasai. (2000) Thai life insurer efficiency. Chulalongkorn University:ม.ป.ท.Thitivadee Boonyasai. 2000. Thai life insurer efficiency. ม.ป.ท.:Chulalongkorn University;Thitivadee Boonyasai. Thai life insurer efficiency. ม.ป.ท.:Chulalongkorn University, 2000. Print.