Maiti, S.R. . <br/><br/>
Elementary Course of Trigonomitry /  Textual Documents 
S.R.Maiti. 
 - 3rd Rev.ed. / 
 - Calcutta :  Ashok prakashan ,  1988. 
 - 216p. ;  22cm. 
<br/><br/><label>Subjects--Index Terms: </label>Trigonometry G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>515  / Ma 28 El