Editorial Team

Editor in Chief

Prof. Dr. Timbangen Sembiring M.Sc. (Universitas Sumatera Utara,Indonesia)

Managing Editor

Dr. Susilawati, M.Si.	University Page \| Scopus \| GS
Dr. Zikri Noer, M.Si.	University Page \| Scopus \| GS

Editorial Board

Dr. Belete Asefa Aragaw (Bahir Dar University, Ethiopia)	University Page \| Scopus \| GS
Dr. Gomma S. Abd elfadeel (Al-Azhar University, Mesir)	University Page \| Scopus \| GS
Prof. Dr. Perdinan Sinuhaji, M.Si, (Universitas Sumatera Utara, Indonesia)	University Page \| Scopus \| GS
Prof. Dr. Marhaposan Situmorang. (Universitas Sumatera Utara, Indonesia)	University Page \| Scopus \| GS
Prof. Drs. Motlan, M.Sc., Ph.D. (Universitas Negeri Medan, Indonesia)	University Page \| Scopus \| GS
Prof. Dr. Dra Erna Frida M.Si.(Universitas Sumatera Utara, Indonesia)	University Page \| Scopus \| GS
Prof. Dr. Posman Manurung, M.Sc (Universitas Lampung, Indonesia)	University Page \| Scopus \| GS
Dr. Ahmed M.A. Hassan (Al-Azhar University, Mesir)	University Page \| Scopus \| GS
Prof. Dr. Mohd Mustafa Awang Kechik (Universiti Putra Malaysia, Malaysia)	University Page \| Scopus \| GS
Dr. Sukrit Sucharitakul (Chiang Mai University, Thailand)	University Page \| Scopus \| GS

English Editor

Siti Utari Rahayu, M.Sc., Ph.D	University Page \| Scopus \|GS
Dr. Martha Rianna, M.Si.	University Page \| Scopus \|GS

Layout Editor

Yuan Alfinsyah Sihombing, M.Sc.	University Page \| Scopus \|GS
Muhammadin Hamid, M.Si.	University Page \| Scopus \|GS

Secretariat

Administrative Assistant

Windy Indah Septia
Dina Fahriza Iska

Editorial Offices:

Dept. of Physics, FMIPA, University of Sumatera Utara
Jl. Bioteknologi No.1, Padang Bulan, Medan 20155

Email: jotp@usu.ac.id