Gulezian, R. C., & Weiland, J. (1979). Workbook to accompany elements of business statistics. W.B. Saunders.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGulezian, Ronald C., और Jerome Weiland. Workbook to Accompany Elements of Business Statistics. Philadelphia, PA: W.B. Saunders, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGulezian, Ronald C., और Jerome Weiland. Workbook to Accompany Elements of Business Statistics. W.B. Saunders, 1979.
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