Boonruan, Boonnapa, Tharadol Kengganpanich, Mondha Kengganpanich, and Prasit Leerapan. “The Application of Pender’s Health Promotion Model for Promoting Eye Health of the Elderly”. Thai Journal of Health Education 36, no. 3 (February 26, 2019): 57–71. accessed September 11, 2026. https://he01.tci-thaijo.org/index.php/muhed/article/view/174618.