Prompong Shangkhum. (2020) Essays on Relationship between Physical Health and Mental Health : Panel Data Analysis. University of the Thai Chamber of Commerce:ม.ป.ท.Prompong Shangkhum. 2020. Essays on Relationship between Physical Health and Mental Health : Panel Data Analysis. ม.ป.ท.:University of the Thai Chamber of Commerce;Prompong Shangkhum. Essays on Relationship between Physical Health and Mental Health : Panel Data Analysis. ม.ป.ท.:University of the Thai Chamber of Commerce, 2020. Print.