Das,B.C. <br/><br/>
Higher Trigonometry  
by B.C.Das and B.N.Mukherjee 
 - Kolkata   U.N.Dhur & Sons Private Limited   1933 
 - xiv,312p. 
<br/><br/><label>ISBN: </label>9789380673158 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics 
<br/><br/><label>Dewey Class. No.: </label>516.24  / DAS