GULEZIAN, R. (1983). Business Mathematics For College Students Ronlad Gulezian And Henry Tingey. John Wiley & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGULEZIAN, Ronald. Business Mathematics For College Students Ronlad Gulezian And Henry Tingey. John Wiley & Sons, 1983.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGULEZIAN, Ronald. Business Mathematics For College Students Ronlad Gulezian And Henry Tingey. John Wiley & Sons, 1983.
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