Iwata, Hiroki and Okada, Keisuke (2010): Greenhouse gas emissions and the role of the Kyoto Protocol. Unpublished.
Iwata, Hiroki; Okada, Keisuke and Samreth, Sovannroeun (2009): Empirical Study on the Environmental Kuznets Curve for CO2 in France: The Role of Nuclear Energy. Unpublished.
Iwata, Hiroki; Okada, Keisuke and Samreth, Sovannroeun (2010): Empirical Study on the Determinants of CO2 Emissions: Evidence from OECD Countries. Unpublished.
