Kanchanachari, O., Y. Sirapo-ngam, and S. Monkong. “Roles and Needs of Caregivers for Patients With End of Life in a Specific Setting for Palliative Care”. Nursing Research and Innovation Journal, vol. 23, no. 3, Feb. 2018, pp. 328-43, https://he02.tci-thaijo.org/index.php/RNJ/article/view/91500.