Editor in Chief                        : Dr. Richard A. M. Napitupulu ST, Univ. HKBP Nommensen

Editors                                    : 1. Wilson Sabastian Nababan, ST. MT, Univ. HKBP Nommensen

                                                   2. Dr. Parulian Siagian, ST. MT, Univ. HKBP Nommensen

                                                   3. Charles S.P. Manurung, ST. MT, Univ. HKBP Nommensen

                                                   4. Dr. Ts. M. Sharihman Adenan, UiTM Malaysia

                                                   5. I Wayan Sukania, ST. MT, UNTAR Jakarta

Editorial Board/ Reviewer   : 1. Prof. Dr. Himsar Ambarita, ST. MT, Univ. Sumatera Utara

                                                   2. Dr. Tulus B. Sitorus, ST. MT, Univ. Sumatera Utara

                                                   3. Dr. Suryadi, ST. MT, BPPT Dir. Teknologi

                                                   4. Dr. Janter Simanjuntak, ST. MT, UNIMED

                                                   5. Ing. Abraham Kabutey, PhD, CULS Czech Republic

                                                   6. Ing. Samar Tan, ST. MT, Center of Renewable Energy

                                                   7. Dr. Rianti Dewi Sulamet-Ariobimo, Univ. Trisakti Jakarta

                                                   8. Dr. Eko Yonaes Setyawan, ITN Malang

                                                   9. Ian Hardianto Siahaan, ST. MT., UKP Surabaya