SINGH AMARJIT. (1988). INDUSTRIAL ECONOMICS. HIMALAYA PUBLISHING HOUSE.
Chicago-čujuhus (17. p.)SINGH AMARJIT. INDUSTRIAL ECONOMICS. BOMBAY: HIMALAYA PUBLISHING HOUSE, 1988.
MLA-čujuhus (9. p.)SINGH AMARJIT. INDUSTRIAL ECONOMICS. HIMALAYA PUBLISHING HOUSE, 1988.
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