TY  - BOOK
AU  - Dwivedi,D.N.
TI  - Principles of economics / 
SN  - 0706927168
U1  - 330 
PY  - 1985///, 1991
CY  - New Delhi : 
PB  - Vani Educational Books; ,  Vikas Publishing House, , Vikas Publishing House, 
KW  - Economics
N1  -  Includes bibliographical references and index
ER  -