Niyomthai, N., A. Siripitayakunkit, and S. Duangbubpha. “Effects of A Motivation for Self-care Program on Self-care and Quality of Life in Persons with Heart Failure”. Nursing Research and Innovation Journal, vol. 26, no. 3, Jan. 2021, pp. 290-09, https://he02.tci-thaijo.org/index.php/RNJ/article/view/241609.