Thakur, Rajesh kumar <br/><br/>
Speed mathematics :  do it quick, do it right! / 

 - New Delhi  Rupa  2018 
 - viii, 240 p.;  19 cm. 
<br/><br/> Rs.295/-<br/><br/>S02/26 
<br/><br/><label>ISBN: </label>9789353040895 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental arithmetic.
<br/><br/><label>Dewey Class. No.: </label>510 THA