Methods of research educational, psychological, sociological

Methods of research educational, psychological, sociological

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Manylion Llyfryddiaeth
Prif Awdur: Good, Carter Victor 1897-
Awduron Eraill: Scates, Douglas Edgar 1898-
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Manila National Book Store c1972.
Pynciau:
Research.