Instructional time and academic achievement
By: Mark Holmes ; assisted by Richard Wolf.
Contributors: Ontario Institute for Studies in Education.
Publisher: Ontario Institute for Studies in Education
Published: 1979
Place of publication: [Toronto]
Language: eng
Number of pages: 76
Subjects: Academic achievement.; Education, Elementary.; Teaching.
Notes: "Funded under contract by the Ministry of Education, Ontario."

Cover title.

Bibliography: leaves 74-76.