Rojanapinant, N., W. Pattanachairuj, P. Chokkhatiwat, P. Sopa, R. Sritrakool, J. Lertprasertkul, A. Ratanasiri, and S. Paileeklee. “Proportion of Self-Prescribed Drug Consumption of M.6 Students in a Secondary School in Khon Kaen Province”. Srinagarind Medical Journal, vol. 33, no. 5, July 2018, pp. 79-80, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/137094.