Chotivanich, Piyakanit. 2021. “Model of Quality of Work Life and Organizational Commitment That Effect Happiness at Work of Lecturers in Ubon Ratchathani Rajabhat University”. Ubon Ratchathani Journal of Research and Evaluation 6 (1):39-48. https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/251032.