Wray, D. (1999). Inquiry in the classroom: Creating it, encouraging it, enjoying it. Pippin Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWray, David. Inquiry in the Classroom: Creating It, Encouraging It, Enjoying It. Ontario: Pippin Pub, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWray, David. Inquiry in the Classroom: Creating It, Encouraging It, Enjoying It. Pippin Pub, 1999.
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