Ghosh,Devaprasad <br/><br/>
Pkane Trigonometry  
by Devaprasad Ghosh 
 - Calcutta   Modern Book Agency   1946  
 - xii,286p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510   / GHO