Singh,Omprakash <br/><br/>
Sanchar ke Mul Siddhant 
/  by Om Prakash Singh 
 - Elahabad:  Lokabharati Prakashan,  2018. 
 - 301. 
<br/><br/><label>ISBN: </label>9789386863614 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanchar abang anya Samajik BIgyan
<br/><br/><label>Dewey Class. No.: </label>621.384  / SIN/S