Khampila, W., P. Manadee, S. Ruksri, and P. Sukhumal. “Food Consumption Behavior of the Elderly With Hypertension in Moo 2, Ban Ped Sub-District, Muang District, Khon Kaen Province”. Journal of Medicine and Public Health, Ubon Ratchathani University, vol. 4, no. 2, Aug. 2021, pp. 138-45, https://he01.tci-thaijo.org/index.php/jmpubu/article/view/250374.