1. Energy for a Sustainable World;Goldemberg,1984
2. End Use Energy Study—Nigeria;Salawu,1984
3. Energy Supply Trends in Ethiopia—An End Use Analysis;Wolde-Ghiorgis,1984
4. On Sample Energy Calculations;Wolde-Ghiorgis,1975
5. On Some Fundamental Issues in the Formulation of a National Energy Plan in Ethiopia;Wolde-Ghiorgis,1983