Tiwari Dr. Ganga Sagar <br/><br/>
Vishv sbhyata ka vaigyanik itihas / 
Tiwari Dr. Ganga Sagar 
 -  Lok Bharti Pra. All 
 - 284 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Anc. History
<br/><br/><label>Dewey Class. No.: </label>909.07  / TIWW