Essentials of educational technology
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372.358 M313 |
Mangal, S.K.. |
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12223 |
Essentials of educational technology / S.K. Mangal, Uma Mangal.
– New Delhi : PHI Learning, c2009, r2011.
xxiv, 812 p. ISBN978-81-203-3723-7 Rs.395.00 . EDUCATIONAL TECHNOLOGY . Mangal, Uma . [Title] |