Evaluation as feedback and guide

Manylion Llyfryddiaeth
Awdur Corfforaethol:	Association for Supervision and Curriculum Development
Awduron Eraill:	Williams, Fred T.
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Washington, D.C. s.n. [c1967].
Pynciau:	Educational tests and measurements. Educational surveys > U.S.