Sriwirun, A., C. Sumngern, and S. Somanusorn. “Predictive Factors of Hope among the Elderly with Coronary Artery Disease”. Journal of Phrapokklao Nursing College, Chanthaburi, vol. 29, no. 1, July 2018, pp. 101-12, https://he01.tci-thaijo.org/index.php/pnc/article/view/132658.