Noiwat, O., and A. Prasertchai. “Effects of Health Promoting Program on Health Behaviors among the Elderly Persons, Nonthaburi Province”. Ratchaphruek Journal, vol. 13, no. 1, Apr. 2015, pp. 36-45, https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/240945.