A. . Mansin, O. . Somnarin, and N. . Khamsombat, “Effect Using of Applied Education Program to Self-Directed Learning via Internet on Knowledge and Self-Care Ability in Patients undergoing Coronary Artery Bypass Grafting”, NJPH (วารสาร พ.ส.), vol. 32, no. 1, pp. 88–100, Apr. 2022.