Phanwan, K., S. Leetongdee, and R. Chuaclee. “The development model for rational drug use : a case study of type 2 diabetic patients in Namyuen Hospital, Ubon Ratchathani Province”. UBRU Journal for Public Health Research, vol. 8, no. 1, Aug. 2019, pp. 56-67, https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/211520.