DUTTA CHAUDHURY. <br/><br/>
UCHATAR MADHYAMIK TRIGONOMETRY 

 - GUWAHATI  GRANTHAPEETH 
 - 103.:  20CM. 
<br/><br/><label>Subjects--Index Terms: </label>Numerical analysis 
<br/><br/><label>Dewey Class. No.: </label>518 DUT