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2by Sub-Regional Intensive Training Course on Education, Employment and Human Resource Development, IIEP/ITC.61, Buea, Cameroon, 1991, UNESCO IIEP, UNESCO Regional Office for Education in Africa (Senegal), Cameroon. Ministry of Higher Education, Computer Services and Scientific Research, Sanyal, Bikas C., Göttelmann, Gabriele, Ngu, Joseph N., Camara, Boubacarbook bibliotecaUNESCO