Naksit Sakdapat และ Duchduen Bhanthumnavin. (2018) Psychological factors and situations related to academic identity of master's degree students. National Institute of Development Administration:ม.ป.ท.Naksit Sakdapat และ Duchduen Bhanthumnavin. 2018. Psychological factors and situations related to academic identity of master's degree students. ม.ป.ท.:National Institute of Development Administration;Naksit Sakdapat และ Duchduen Bhanthumnavin. Psychological factors and situations related to academic identity of master's degree students. ม.ป.ท.:National Institute of Development Administration, 2018. Print.