The economics of the world's mineral industries /
Van Rensburg, W.C.J.
The economics of the world's mineral industries / W.C.J. van Rensburg, S.Bambrick - Johannesburg: McGraw-Hill, 1978 - 366p.
0070913595
Mineral industries--Economic aspects
The economics of the world's mineral industries / W.C.J. van Rensburg, S.Bambrick - Johannesburg: McGraw-Hill, 1978 - 366p.
0070913595
Mineral industries--Economic aspects