Tyagi;U.R.,Saini;Sushil ., Saini ;Anil <br/><br/>
Elementary Number Theory and Trigonmetry  English 

 - Rohtak  Rising Star  2010 
 - 238pg 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>512.7 T95E