Boonyoo, Arapa, Nutchanart Bunthumporn, and Chomchuen Somprasert. “The Effects of Positive Mental Health Promotion Program on The Mental Health Self-Care Behavior of Older Adults”. Journal of The Royal Thai Army Nurses 27, no. 1 (April 10, 2026): 684–691. accessed September 19, 2026. https://he01.tci-thaijo.org/index.php/JRTAN/article/view/275235.