Sampath, K.,  4  0  1916- <br/><br/>
Introduction to educational technology /        6 
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K. Sampath, A. Pannirselvam, S. Santhanam 
 - Fifth revised edition.   
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 - viii, 348 pages :  illustrations   22 cm     
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<br/><br/>   Includes index.;Running title: Educational technology 
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<br/><br/><label>ISBN: </label>81-207-0376-6   
<br/><br/><label>ISSN: </label>2 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology.    --------20--
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