Leff, L. S., & Pawlowski, C. M. (2021). Barron's math 360: Your go-to guide for everything pre-calculus. Barron's Educational Series.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLeff, Lawrence S., और Christina M. Pawlowski. Barron's Math 360: Your Go-to Guide for Everything Pre-calculus. New York, NY: Barron's Educational Series, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLeff, Lawrence S., और Christina M. Pawlowski. Barron's Math 360: Your Go-to Guide for Everything Pre-calculus. Barron's Educational Series, 2021.
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