Evaluation and synthesis of studies related to the effects of class size, pupil-adult, and pupil-teacher ratios
By: Doris W. Ryan, principal investigator, and T. Barr Greenfield.
Contributors: Greenfield, T. Barr; Ontario Institute for Studies in Education.; Ontario. Ministry of Education.
Publisher: Ontario Institute for Studies in Education?
Published: 1975
Place of publication: [Toronto, Ont
Language: eng
Number of pages: 177
Subjects: Class size.
Notes: "Funded under contract by the Ministry of Education, Ontario."

Includes bibliographies.