Kakahthum, Pimnada, Sunee Lagampan, and Kwanjai Amnartsatsue. 2022. “Effects of Health Literacy Improvement Program on Self-Care Behaviors and Health Outcomes in Older Adults With Type 2 Diabetes and Hypertension Comorbidities: 10.55131/Jphd/2022/200203”. Journal of Public Health and Development 20 (2). Bangkok, Thailand:32-42. https://doi.org/10.55131/jphd/2022/200203.