Sogantad, J., Virutsestazin, K., Kalampakorn, S. and 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), pp. 67–86. available at: https://he01.tci-thaijo.org/index.php/phn/article/view/242008 (accessed: 27 August 2026).