ASCH DAVID. (2002). FINANCIAL PLANNING: PROFIT IMPROVEMENT THROUGH MODELLING. CREST PUBLISHING HOUSE.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रASCH DAVID. FINANCIAL PLANNING: PROFIT IMPROVEMENT THROUGH MODELLING. NEW DELHI: CREST PUBLISHING HOUSE, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रASCH DAVID. FINANCIAL PLANNING: PROFIT IMPROVEMENT THROUGH MODELLING. CREST PUBLISHING HOUSE, 2002.
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