Patwardhan, K S, et al. <br/><br/>
Elements of commercial arithmetic 

 - 3 
 -  Kitab Mahal, Allahabad  1979 
 - 355 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic; Mathematics
<br/><br/><label>Dewey Class. No.: </label>513  PAT-E3