TY  - BOOK
AU  - Rathore, M.S.
TI  - Factor combination and resource use efficiency on small and : large-A comprative study of the Semi-Arid and Hill Agriculture : thesis submitted to Himachal Pradesh University for the degree of Docter of Phylosophy
PY  - 1979///
CY  - Simla
PB  - Himachal Pradesh University
ER  -