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1by Adewumi, A.L., FAO, Rome (Italy). Agricultural Operations Div. eng, FAO/UNDP/FGN Workshop on Extension Training Principles and Methods eng 2-13 Oct 1990 Ilorin (Nigeria), UNDP, New York (USA) eng, Agricultural and Rural Management Training Inst., Ilorin (Nigeria) eng
Published ndTexto bibliotecaFAO IT