Brechner, R. A. (2006). Contemporary mathematics for business and consumers. Thomson.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrechner, Robert A. Contemporary Mathematics for Business and Consumers. Thomson, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrechner, Robert A. Contemporary Mathematics for Business and Consumers. Thomson, 2006.
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