Jeong-Hun Won และผู้แต่งคนอื่นๆ. (2018) ASSIGNMENT OF RESPONSIBILITY AND ROLE TO CONSTRUCTION CLIENT IN KOREA OCCUPATIONAL SAFETY AND HEALTH SYSTEM. ISEC PRESS:ม.ป.ท.Jeong-Hun Won และผู้แต่งคนอื่นๆ. 2018. ASSIGNMENT OF RESPONSIBILITY AND ROLE TO CONSTRUCTION CLIENT IN KOREA OCCUPATIONAL SAFETY AND HEALTH SYSTEM. ม.ป.ท.:ISEC PRESS;Jeong-Hun Won และผู้แต่งคนอื่นๆ. ASSIGNMENT OF RESPONSIBILITY AND ROLE TO CONSTRUCTION CLIENT IN KOREA OCCUPATIONAL SAFETY AND HEALTH SYSTEM. ม.ป.ท.:ISEC PRESS, 2018. Print.