(1994). Mathematics teaching in the middle school. National Council of Teachers of Mathematics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMathematics Teaching in the Middle School. Reston, VA: National Council of Teachers of Mathematics, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMathematics Teaching in the Middle School. National Council of Teachers of Mathematics, 1994.
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