@article{paperid:1010512,
author = {Ghorbani, Mohammad and Motallebi, Marzieh},
title = {The Study on Shadow Price of Greenhouse Gases Emission in Iran: Case of Dairy Farms},
journal = {Research Journal of Environmental Sciences},
year = {2009},
volume = {3},
number = {4},
month = {May},
issn = {1819-3412},
pages = {466--475},
			numpages = {9},
keywords = {Undesirable (bad) output;  output distance function; shadow price; dairy farm},
}