Mangal, S. K. <br/><br/>
Essentials of educational technology/ 
by S. K. Mangal; Uma Mangal 
 - Delhi  PHI Learning Private Limited  2025 
 - xxiv, 812p. 
<br/><br/><label>ISBN: </label>978-81-203-3723-7 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION- TECHNOLOGY
<br/><br/><label>Dewey Class. No.: </label>371.39 MAN/R