Pongkatgran, A., and W. Tipwareerom. “Effects of Self-Efficacy Program of Using Hermit Exercise towards Exercise Habits and Immune System Level (CD4) in AIDS Patients”. NU Journal of Nursing and Health Sciences, vol. 12, no. 1, Dec. 2018, pp. 58-71, https://he01.tci-thaijo.org/index.php/NurseNu/article/view/161161.