Smith, L. M., & Geoffrey, W. (1968). The complexities of an urban classroom: An analysis toward a general theory of teaching. Holt, Rinehart and Winston.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSmith, Louis Milde, और William Geoffrey. The Complexities of an Urban Classroom: An Analysis Toward a General Theory of Teaching. New York: Holt, Rinehart and Winston, 1968.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSmith, Louis Milde, और William Geoffrey. The Complexities of an Urban Classroom: An Analysis Toward a General Theory of Teaching. Holt, Rinehart and Winston, 1968.
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