Helmut Mayer Helmut Mayer Director and Principal Engineer, Mayer International Group Pty. Ltd. Australia (Click for more!)
Bhima Rao Raghupatruni Bhima Rao Raghupatruni Scientist, Regional Research Laboratory (Click for more!)
Tads S. Golosinski Tads S. Golosinski Professor, Mining Engineering, University of Missouri-Rolla United States (Click for more!)
Eko Putranto Eko Putranto Head of Mechanical Engineering Departement, PT. Tambang Batubara Bukit Asam (Persero) (Click for more!)