Understanding educational research an introduction

Understanding educational research an introduction

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Manylion Llyfryddiaeth
Prif Awdur: Van Dalen, Deobold B. 1911-
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: New York McGraw-Hill c1979.
Rhifyn:4th ed.
Pynciau:
Educational research.