Onpetch, P., and N. Ua-Kit. “The effect of self-efficacy program on functional capacity among patients with post coronary artery bypass graft”. Thai Journal of Cardio-Thoracic Nursing, vol. 32, no. 2, Mar. 2022, pp. 89-104, https://he02.tci-thaijo.org/index.php/journalthaicvtnurse/article/view/244682.