Charoensuk, S., L. Leungratanamart, T. Reunreang, K. Turner, and S. Theinpichet. “An An Evaluation of Competency in Rational Drug Use of Nursing Graduates”. Journal of The Royal Thai Army Nurses, vol. 21, no. 2, Aug. 2020, pp. 158-6, https://he01.tci-thaijo.org/index.php/JRTAN/article/view/239744.