(2003). Teaching mathematics through problem solving: Grades 6-12 / Harold L. Schoen, volume editor.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTeaching Mathematics Through Problem Solving: Grades 6-12 / Harold L. Schoen, Volume Editor. 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTeaching Mathematics Through Problem Solving: Grades 6-12 / Harold L. Schoen, Volume Editor. 2003.
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