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Alessandrini, Michele and Enowbi Batuo, Michael (2008): The Trade Specialization of SANE:Evidence from Manufacturing Industries.
Rena, Ravinder (2007): SECTORAL PERFORMANCE IN THE AFRICAN ECONOMY – SOME ISSUES AND TRENDS. Published in: Indus Journal of Management & Social Sciences , Vol. 2, No. 1 (February 2008): pp. 1-14.
Yawson, Robert M. and Yawson, Ivy (2008): Policy options of agricultural biotechnology R&D in Sub-Saharan Africa: key issues and aspects. Published in: University of Minnesota