Poonsil, J., R. Soonthornchaiya, and S. Vuthiarpa. “The Effect of a Spiritual Caring Program on Depression among Caregivers of Patients with Terminal Cancer”. Journal of The Royal Thai Army Nurses, vol. 25, no. 1, Apr. 2024, pp. 413-22, https://he01.tci-thaijo.org/index.php/JRTAN/article/view/261837.