Zaim O and F Taskin (2000). “Environmental Efficiency in Carbon Dioxide Emissions in the OECD: A Non-Parametric Approach.” J Environmental Management 58(2): 95-107.
Zaim O and F Taskin (2000). “Environmental Efficiency in Carbon Dioxide Emissions in the OECD: A Non-Parametric Approach.” J Environmental Management 58(2): 95-107.