Balakrishna, V. V. <br/><br/>
Vaartha prasaram - electronics viswarupam 

 - Vijayawada  Navaratna Book Centre  1990 
 - 32p. 
<br/><br/><label>ISBN: </label> RS 6.50 
<br/><br/><label>Source: </label> RS 6.50 
<br/><br/><label>Dewey Class. No.: </label>001.5544 BAL