Noradechanunt, C., N. Sirirat, and P. Kunalasiri. “Development of Curriculum for Enhancing the Elderly Competencies in Health Promotion and Prevention of Complications from Non-Communicable Diseases at Had Chao Samran Elderly School, Muang, Phetchaburi”. Journal of The Royal Thai Army Nurses, vol. 22, no. 1, Apr. 2021, pp. 390-01, https://he01.tci-thaijo.org/index.php/JRTAN/article/view/242762.