ศรีธรราษฎร์ บุญช่วง. 2018. “The Relationship Between Good Human Relations and Job Efficiency on Manufacturing Business Accountants in the Roi Et Province”. Journal of Management Science Chiangrai Rajabhat University 11 (2):29-48. https://so03.tci-thaijo.org/index.php/jmscrru/article/view/122130.