Venkatasubramanian, V.,  <br/><br/>
Technology communication and AV aids in extension education 

 - xiii, 273 pages :   illustrations ;   24 cm 
<br/><br/><label>ISBN: </label>8123407068 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education - Computer-assisted instruction.
<br/><br/><label>Dewey Class. No.: </label>371.33