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1Agricultural alternatives and nutritional self-sufficiency Agricultural alternatives and nutritional self-sufficiencyby Djigma, A. (ed.), International Federation of Organic Agriculture Movements, Tholey-Theley (Germany) eng, IFOAM International Scientific Conference eng 2-5 Jan 1989 7 Ouagadougou (Burkina Faso), Nikiema, E. (ed.), Lairon, D. (ed.), Ott, P. (ed.)
Published 1990Texto bibliotecaFAO IT