Rodanant, P., and T. Promprakai. “Ergonomic risk assessment from working postures in fourth year undergraduate dental students at Mahidol University”. Mahidol Dental Journal, vol. 39, no. 2, July 2019, pp. 63-70, https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/213808.