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ERIC Number: EJ022424
Record Type: CIJE
Publication Date: 1970
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISBN: N/A
ISSN: N/A
Needed: High Quality in Programmed Materials
Calvin, Allen D.
Educ Technol, 10, 7, 38, Jul '70
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A