TY  - BOOK
AU  - Ram Singh...et.al.
TI  - Economics of farming system
SN  - 9788176224208
U1  - 338.16 
PY  - 2018///
CY  - New Delhi
PB  - Biotech books
KW  - Agriculture
KW  - Production efficiency
N1  - Includes bibliographical references and index
ER  -