TY  - BOOK
AU  - Dogra, Darshan Singh
TI  - Critical review of methodologies adopted in the measurement of resource use efficiency of field crops : thesis submitted to the Himachal Pradesh University in partial fulfilment of the requirements for the degree of Master of Philosphy (Agricultural Economics)
PY  - 1977///
CY  - Shimla
PB  - Himachal Pradesh University
ER  -