Bouphan, Prachak, Kuson Rakyat, and Pornpimon Kayota. 2017. “Factors affecting the performance of university officers (teaching staff) Khon Kaen University”. Asia-Pacific Journal of Science and Technology 14 (10):917-28. https://so01.tci-thaijo.org/index.php/APST/article/view/83568.