Zainal A.

I am a lecturer at a private university who has served for 24 years, apart from that, I am also a regional government consultant in the field of mechanical electrical plumbing, and am also sometimes given teaching mandates in the field of Occupational Safety and Health in several mines. Apart from that, he is active in writing book chapters and writing articles for journal publications, both national and international. I am active in sports, especially cycling and am a health therapy exercise instructor in several places.