Analytic methods for educational productivity.

Manylion Llyfryddiaeth
Awduron Eraill:	Walberg, Herbert J. 1937-
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Greenwich, Conn. Jai Press 1993.
Cyfres:	Advances in educational productivity vol. 3
Pynciau:	Educational productivity > United States. Educational evaluation > Methodology. > United States.