National Council of Educational Research and Training(India) <br/><br/>
Mathematics: a textbook for secondary schools; part. 1/ 

 - New Delhi:  NCERT,  1985 
 - xi, 260 
<br/><br/><label>Source: </label> 13701-08-2003 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics-Textbook