TY  - JOUR
AU  - vaseghi, elahe
AU  - Azizi, Asiyeh
AU  - Zare Mehrjerdi, Mohamadreza
TI  - Investigating the Effect of Technological change in the Contribution of the Cost of Fertilizers and Chemical Pesticides in order to Protect the Environment (Case study: Corn production)
JO  - Agricultural Economics Research
VL  - 10
IS  - 4
SP  - 215
EP  - 226
PY  - 2018
DO  - 
ER  -