Rural energy systems in the humid tropics : Proceedings of the First Workshop of the United Nations University Rural Energy Systems Project Ife, Nigeria, 10-12 August 1978 - Workshop of the United Nations University Rural Energy Systems Project 1978 : Ife, Nigeria).; Morgan, W. B. (William Basil).; Moss, R. P.; Ojo, G. J. A. (Tokyo : United Nations University, 1980)
Keywords: Energy conservation -- Congresses