Mangal,S.K. <br/><br/>
Essentials of educational technology 
/ by S.K. Mangal 
 - Delhi :  PHI Learning,  2022. 
 - xxiv,812p. 
<br/><br/><label>ISBN: </label>9788120337237 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology<br/>Teaching technology
<br/><br/><label>Dewey Class. No.: </label>371.3354  / MAN/E