Reviewers

Ir. Emi Prasetyawati Umar, S.Si., M.T., IPP. (Scopus ID: 57201065526)   
Mining Engineering Department, Faculty of Industrial Technology, Universitas Muslim Indonesia, Makassar, Indonesia

Bayu Achil Sadjab, S.Si., M.Sc (Scopus ID: 57211783986)   
Department of Physics, Faculty of Natural Sciences and Engineering Technology, Halmahera University, Indonesia

Rizqi Prastowo, M.Sc (Scopus ID: 57218204933)   
Institut Teknologi Nasional Yogyakarta, Indonesia