Iyer, U. (2004). A text book in business economics F.Y.B.Com (5th rev.). Aishwarya.
Dyfyniad Arddull ChicagoIyer, Usha. A Text Book in Business Economics F.Y.B.Com. 5th rev. Mumbai: Aishwarya, 2004.
Dyfyniad MLAIyer, Usha. A Text Book in Business Economics F.Y.B.Com. 5th rev. Aishwarya, 2004.
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