@incollection{Avval12, author = {S. H. Mousavi Avval and Sh. Rafiee and A. Keyhani}, title = {Energy Efficiency Analysis in Agricultural Productions: Parametric and Non-Parametric Approaches}, booktitle = {Energy Efficiency}, publisher = {IntechOpen}, address = {Rijeka}, year = {2012}, editor = {Zoran Morvaj}, chapter = {7}, doi = {10.5772/39089}, url = {https://doi.org/10.5772/39089} }