Laosum, Thanyasinee, Sirichai Kanjanawasee, and Taweewat Pitayanon. 2016. “Development of a Dissertation Quality Value-Added Model for Humanities and Social Sciences Programs for Private Higher Education Institutions in Thailand”. Kasetsart Journal of Social Sciences 37 (3):138-43. https://so04.tci-thaijo.org/index.php/kjss/article/view/242889.