Reviewers
1. Prof. Taifo Mahmud, P.hD. - Oregon State University, United State,
2. Bongkot Hararak, P.hD - National Metal and Materials Technollgh Center (MTEC), Thailand
3. Reisya Ichwani, PhD - Worcester Polytechnic Institute, United States
4. Siti Utari Rahayu, M.Sc - National Chung Hsing University, Taiwan
5. Prof. Basuki Wirjosentono, M.Sc,PhD - Universitas Sumatera Utara, Indonesia
6. Rikson Siburian, M.Si, PhD - Universitas Sumatera Utara, Indonesia
7. Prof. Zuchra Helwani, M.T.,PhD - Universitas Riau, Indonesia
8. Prof. Dr. Aman Sentosa Panggabean, M.Si - Universitas Mulawarman, Kalimantan Timur, Indonesia