KHANNA B S. (1982). PRACTICAL COSTING. SULTAN CHAND AND SONS.
Chicago-čujuhus (17. p.)KHANNA B S. PRACTICAL COSTING. NEW DELHI: SULTAN CHAND AND SONS, 1982.
MLA-čujuhus (9. p.)KHANNA B S. PRACTICAL COSTING. SULTAN CHAND AND SONS, 1982.
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