A. Meejak, M. Therawiwat, N. Imamee, and A. Seeherunwong, “Relationship Between Perceived Self-efficacy, Social Support, and Self-care Behavior of Patients with The Head and Neck Cancer Receiving Radiotherapy*”, TH. J. of Health Edu., vol. 34, no. 2, pp. 37–54, Feb. 2019.