Associate Professor at the Department of Mining Engineering and Education, PhD.

      Associate Professor at the Department of Mining Engineering and Education, PhD.

    Associate Professor at the Department of Mining Engineering and Education, Ph.D.

     Associate Professor at the Department of Mining Engineering and Education, PhD.

    Associate Professor at the Department of Mining Engineering and Education, PhD.

   Associate Professor at the Department of Mining Engineering and Education, PhD.

    Associate Professor at the Department of Mining Engineering and Education, PhD.

   Associate Professor at the Department of Mining Engineering and Education, PhD.

    Associate Professor at the Department of Mining Engineering and Education, PhD.

   Associate Professor at the Department of Mining Engineering and Education, PhD.

     Associate Professor at the Department of Mining Engineering and Education, PhD.