Peer Reviewer
januar Januar Parlaungan Siregar, Unirversity Malaysia Pahang, Malaysia
Dr. Muhammad Shahzad Kamal, King Fahd University of Petroleum and Minerals, United Arab Emirates., United Arab Emirates
Dr. Eng Tedi Kurniawan, Engineering Department Community College of Qatar Lusail Female Campus, Qatar
Prof. Zuchra Helwani, S.T., M.T., Ph.D, University of Riau, Indonesia, Indonesia
Prof. Dr. Harry Agusnar, M.Sc, Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan, Indonesia, Indonesia
Dr. Nelly Safitri, S.S.T., M.Eng.Sc, Department of Electrical and Computer Engineering, Indonesia, Indonesia
Prof. Dr. Ir. Sri Aprilia, M.T, University Syiah Kuala, Indonesia, Indonesia
Prof. Dr. Kenji Nagata, Nagoya lnstitute of Tecnology, Department of Life Science and Applied Chemistry, Graduate School of Engineering. Gokiso-cho,Showa-ku,Nagoya 466-8555,JAPAN, Japan