Reviewers
khairiah khairiah, Universitas Muslim Nusantara
Suci Khairani M.Si, Politeknik Negeri Medan, Indonesia, Indonesia
Prof. Dr. Nasruddin Noer, Indonesia
Prof. Dr. Bambang Sunendar Purwasasmita, Program Studi Teknik Fisika Institut Teknologi Bandung, Indonesia
Dr.rer.nat. Gunter Kabisch, Senior Experten Service (SES) Germany, Germany