Chongjarearn, A., and W. Cheumnok. “Challenges of Nurses in Developing a Palliative Care Innovation in Thailand:”. Thai Journal of Cardio-Thoracic Nursing, vol. 32, no. 2, Mar. 2022, pp. 2-15, https://he02.tci-thaijo.org/index.php/journalthaicvtnurse/article/view/249265.