Julkaiwansutjar, Anan, Sarisak Soontornchai, & Sudaw Lertwisuttipaiboon. " Effect of Safety Management from Training of Safety Curriculum for Supervisors in a Food Production Company in Kamphaeng Phet Province." Naresuan University Journal: Science and Technology (NUJST) [Online], 27.4 (2019): 98-105. Web. 20 Apr. 2024