Buasumlee, B. ., and J. . Boonyarattanasoontorn. “The misuse of Tramadol among children and youth and the need for having efficient policy and laws enforcement”. Interdisciplinary Research Review, vol. 15, no. 3, June 2020, pp. 33-38, https://ph02.tci-thaijo.org/index.php/jtir/article/view/238747.