Business methods and machinery 
By A.N. Agarwala 
 - 14th ed. 
 - Allahabad:  Kitab mahal,  1977. 
 - iv,398p. 
<br/><br/><label>Subjects--Index Terms: </label>Commerce Business methods and machinery 
<br/><br/><label>Dewey Class. No.: </label>651.26