Mandee, S., S. Suraseranivongse, T. Teerachanant, A. Pradubsuk, and K. Hanpongwiwat. “Educational Video to Improve the Knowledge of Health Care Providers in Pain Assessment of Preschool Children”. Siriraj Medical Journal, vol. 64, no. 1, July 2020, pp. 22-26, https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/244145.