Anan Julkaiwansutjar. (2019) Effect of Safety Management from Training of Safety Curriculum for Supervisors in a Food Production Company in Kamphaeng Phet Province. <i>Naresuan University Journal: Science and Technology</i>, <i>27</i>(4), 98-105.Anan Julkaiwansutjar. "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 27 (2019):98-105.Anan Julkaiwansutjar. Effect of Safety Management from Training of Safety Curriculum for Supervisors in a Food Production Company in Kamphaeng Phet Province. Naresuan University Graduate School:ม.ป.ท. 2019.