A general information system for educational technology (ETGIS)
Subtitle: a conceptual scheme
By: Margaret E. Chisholm and Donald P. Ely.
Contributors: Ely, Donald P.; United States. Office of Education.
Series: Sponsored reports series
Publisher: Dept. of Health, Education, and Welfare, Office of Education
Published: 1974
Place of publication: Washington
Language: eng
Number of pages: 58
Subjects: Educational technology -- United States -- Information services.
Notes: Contract no. OEC-0-72-4833.

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Includes bibliographical references.