Someran, Laddawan, Soraya Supaphol, and Nimit Sukjai. “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, no. 1 (June 28, 2021): 76–85. Accessed April 29, 2024. https://so05.tci-thaijo.org/index.php/SocialJournal2rmutto/article/view/247835.