Saikia, Bhola. <br/><br/>
A  text  book  of  higher  Trigonometry 

 - Dibrugarh:  National  Library. 
 - 112p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mathematics, Geometry. 
<br/><br/><label>Dewey Class. No.: </label>51626