Eko Putranto Eko Putranto Head of Mechanical Engineering Departement, PT. Tambang Batubara Bukit Asam (Persero) (Click for more!)
Tads S. Golosinski Tads S. Golosinski Professor, Mining Engineering, University of Missouri-Rolla United States (Click for more!)
Leonardo Antonio Di Mare Pareja Leonardo Antonio Di Mare Pareja Mechanical Engineer, Cementos del Caribe S.A. (Click for more!)
