Sen, Debabrata. <br/><br/>
Basic principles of geopolitics and history :   theoretical aspect of international relations / 
Debabrata Sen. 
 - Delhi :   Concept pub.,  c 1975. 
 - xii, 270 p. ;  20 cm. 
<br/><br/> Includes index. 
<br/><br/>331  331 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political Science.
<br/><br/><label>Dewey Class. No.: </label>320.12 / D35b