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| 020 | _a8185194629 | ||
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_221st ed. _a371.35 _bSAT/D |
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| 100 | _aSatyanarayana, P. | ||
| 245 | _aDistance Education: What? Why? How? | ||
| 260 |
_aHyderabad : _bBooklinks Corporation, _c2000 |
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| 300 | _a204p. | ||
| 653 | _aConcept Distance Education, Development, Course, Professional Information | ||
| 700 | _aSesharatnam, C. | ||
| 942 |
_2ddc _cEN |
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