Economic and commercial geography of the world /
Negi, B. S.
Economic and commercial geography of the world / B. S. Negi. - 2nd ed. - New Delhi : S. Chand & Company, 1986. - 679 p. : ill.
Economy
Mineral resources--Geography
330 / NEG 1986
Economic and commercial geography of the world / B. S. Negi. - 2nd ed. - New Delhi : S. Chand & Company, 1986. - 679 p. : ill.
Economy
Mineral resources--Geography
330 / NEG 1986