TY  - JOUR
AU  - Pakravan, M.
AU  - Mehrabi boshrabadi, H.
AU  - Shakibaiee, A.
AU  - Esmaeili, A.
TI  - Determine of kind of Efficiency for Canola Producers in Sari Province
JO  - Agricultural Economics Research
VL  - 1
IS  - 4
SP  - 77
EP  - 92
PY  - 2009
DO  - 
ER  -