Davis, S. H., & Ebbe, K. (1995). Traditional knowledge and sustainable development /: Proceedings of a conference sponsored by the World Bank Environment Department and the World Bank Task Force on the International Year of the World's Indigenous People held at the World Bank, Washington, D.C., September 27-28, 1993. Washington, D.C., USA: International Bank for Reconstruction and Development / World Bank.

Davis, Shelton H., and Katrina Ebbe. Traditional Knowledge and Sustainable Development /: Proceedings of a Conference Sponsored By the World Bank Environment Department and the World Bank Task Force On the International Year of the World's Indigenous People Held At the World Bank, Washington, D.C., September 27-28, 1993. Washington, D.C., USA: International Bank for Reconstruction and Development / World Bank, 1995.

Davis, Shelton H., and Katrina Ebbe. Traditional Knowledge and Sustainable Development /: Proceedings of a Conference Sponsored By the World Bank Environment Department and the World Bank Task Force On the International Year of the World's Indigenous People Held At the World Bank, Washington, D.C., September 27-28, 1993. Washington, D.C., USA: International Bank for Reconstruction and Development / World Bank, 1995.