Alles van: Ross L. Neagley
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Ross L. Neagley Handbook for effective supervision of instruction
Engels | 362 pagina's | Prentice-Hall, Englewood Cliffs, N.J | 1970
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Ross L. Neagley Handbook for effective curriculum development
Engels | 354 pagina's | Prentice-Hall, Englewood Cliffs, N.J. | 1967
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