Bouphan, J., P. Bouphan, and P. Kompor. “Factors influencing the professional working performance of dentists at community hospitals of the public health region 12”. Asia-Pacific Journal of Science and Technology, vol. 16, no. 6, Apr. 2017, pp. 679-92, https://so01.tci-thaijo.org/index.php/APST/article/view/83508.