Challenges and planning in the energy sector in Africa I.T. Lemba M.F. Dias M. Robaina Publication Journal: WSEAS Transactions on Environment and Development Year of Publication: 2019 Volume: 15 Pagination: 544-559 Identifiers ISBN Number: 22243496 17905079 Other Numbers: 2-s2.0-85079044674 Alternative titles Google ScholarBibTeXRIS Locators