Sampath, K. <br/><br/>Introduction to educational technology/ K. Sampath, A. Panneerselvam, and S. Santhanam.  -- New Delhi;  Sterling Publishers Private Limited  2004. <br/>viii, 348 p.;  22 cm. <br/><br/> Includes bibliographical references indexes. <br/><br/><label>ISBN: </label>812073139 <br/><br/><label>Subjects--Topical Terms: </label><br/>Educational Technology.<br/><br/><label>Dewey Class. No.: </label>GSL 370.94 K96 2004