Wiles, K., & Lovell, J. T. (1975). Supervision for better schools. Prentice Hall.
Chicago Edition CitationWiles, Kimball, and John T. Lovell. Supervision for Better Schools. Prentice Hall, 1975.
ציטוט MLAWiles, Kimball, and John T. Lovell. Supervision for Better Schools. Prentice Hall, 1975.
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