Thongcharoen, V., C. Ronnarithivichai, S. Peachpansri, N. Boonchun, and V. Vanicharoenchai. “Effectiveness of Knowledge Management on Knowledge and Management of Hypertension in Elderly”. Nursing Science Journal of Thailand, vol. 29, no. 3, Sept. 2011, pp. 103-12, https://he02.tci-thaijo.org/index.php/ns/article/view/2872.