Nithithamthada, R., S. Chaiklieng, and R. Puntumetakul. “Musculoskeletal Disorders Among Dental Personnel of Government Sector in Khon Kaen Province”. Asia-Pacific Journal of Science and Technology, vol. 18, no. 5, Apr. 2017, pp. 869-7, https://so01.tci-thaijo.org/index.php/APST/article/view/83009.