Avtor
Al Hilal Publishing and Marketing Group
1
American Institute of Mining and Metallurgical Engineers
1
American Institute of Mining and Metallurgical Engineers. Mining Branch
1
American Institute of Mining, Metallurgical, and Petroleum Engineers
1
CCH Canadian Limited
1
Curtin University of Technology
1
Fort Worth Chamber of Commerce
1
Hong Kong Polytechnic
1
New Generation Research, Inc
1
Society for Mining, Metallurgy, and Exploration (U.S.)
1
Society of Mining Engineers of AIME
1
Texas Association for Educational Technology
1