จินตะกัน อ. IMPROVING COMPANY WORK SAFETY WITH 3E PRINCIPLES AND INCREASE QUALITY OF CLOCK IN CLOCK OUT SYSTEM OF THE COMPANY : A CASE STUDY OF THE COMPANY A. J Admin Manag [Internet]. 2020 Apr. 14 [cited 2024 Apr. 28];10(1):1-13. Available from: https://so02.tci-thaijo.org/index.php/fam/article/view/239940