Coal-Mining Economics organization and Management
Sinclair, John
Coal-Mining Economics organization and Management / by John Sinclair - London: Sir Isaac Pitman & Sons, Ltd., 1957. - vi, 337p.;
000
338.272 / SIN/C
Coal-Mining Economics organization and Management / by John Sinclair - London: Sir Isaac Pitman & Sons, Ltd., 1957. - vi, 337p.;
000
338.272 / SIN/C
