P. Kaesornsamut, W. Kongsuriyanavin, A. Bunnag, A. Srichantaranit, K. Krongthammachart, and K. Suvarnarong, “Effects of Studying a Course of Self-Development follow the Principle of Religion on Self-Esteem and Happiness in Nursing Students”, ์Nurs Sci J Thail, vol. 29, no. 3, pp. 151–159, Sep. 2011.