Iyer, U. (2004). A text book in business economics F.Y.B.Com (5th rev.). Aishwarya.
Chicago-čujuhus (17. p.)Iyer, Usha. A Text Book in Business Economics F.Y.B.Com. 5th rev. Mumbai: Aishwarya, 2004.
MLA-čujuhus (9. p.)Iyer, Usha. A Text Book in Business Economics F.Y.B.Com. 5th rev. Aishwarya, 2004.
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