The effects of distance learning : a summary of literature /
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| Main Author: | |
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| Corporate Author: | |
| Other Authors: | , |
| Format: | Book |
| Language: | English |
| Published: |
University Park, PA :
American Center for the Study of Distance Education, College of Education, Pennsylvania State University,
c1990.
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| Series: | ACSDE research monograph ;
no. 2. |
| Subjects: |