Someran, L. ., Supaphol, S. ., & Sukjai, N. . (2021). Organizational culture factors and working environment factors that affect the work efficiency of employees of Sermsuk Public Company Limited. Rajamangala University of Technology Tawan-Ok Social Science Journal, 10(1), 76–85. Retrieved from https://so05.tci-thaijo.org/index.php/SocialJournal2rmutto/article/view/247835