KETSA, T. Student Rating of Instructors’ Effectiveness in Teaching at Ramkhamhaeng University. Kasetsart Journal of Social Sciences, [S. l.], v. 7, n. 1, p. 28–33, 1986. Disponível em: https://so04.tci-thaijo.org/index.php/kjss/article/view/243752. Acesso em: 16 sep. 2026.