Leelacharas, S., and D. Rujiwatthanakorn. “Thai Women’s Perceptions of the Causes of Hypertension Based on Age and Educational Level”. Pacific Rim International Journal of Nursing Research, vol. 16, no. 1, Feb. 2013, pp. 3-12, https://he02.tci-thaijo.org/index.php/PRIJNR/article/view/5970.