Namwong, A., S. Panuthai, T. Suwanprapisa, and T. Khampolsiri. “A Casual Model of Adherence to Therapeutic Thai Older Adults With Hypertension”. Pacific Rim International Journal of Nursing Research, vol. 19, no. 2, May 2015, pp. 107-21, https://he02.tci-thaijo.org/index.php/PRIJNR/article/view/22056.