Chugh; Om.P.,Gupta;S.P.,Yadav;C.S.,Bhutani;O.P. <br/><br/>
Topics in mathematics  English 

 - 3rd ed. 
 - New Delhi  Laxmi publication  1989 
 - 355pg 
 -  vol II .
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>516 C471T