Clarifying the class size question : evaluation and synthesis of studies related to the effects of class size, pupil-adult, and pupil-teacher ratios /

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Údar corparáideach: Ontario Institute for Studies in Education
Rannpháirtithe: Ryan, Doris W., Greenfield, T. Barr (Thomas Barr), 1930-
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: Toronto : Ministry of Education, Ontario : available from Ontario Institute for Studies in Education, c1976.
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