Sogantad, J., Virutsestazin, K., Kalampakorn, S., & Malarat, A. (2019). The Development of Enhanced Exercise Programs Using a Transtheoretical model for Behavioral Change among Elderly Teachers and Education staff. Journal of Public Health Nursing, 33(Online), 67–86. Retrieved from https://he01.tci-thaijo.org/index.php/phn/article/view/242008