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Improving training in participatory farming systems research through internet supported learning. Torquebiau Emmanuel, Hawkins Richard, Sellamna Nour-Eddine, Daane J., Lightfoot C., Saumon E.. 1998. In : Rural livelihoods, empowerment and the environment, going beyond the farm boundary : AFSRE, 15th International symposium, 29 november - 4 December 1998, Pretoria, South Africa. AFSRE. East Lansing : AFSRE, 916-923. AFSRE International Symposium. 15, Pretoria, Afrique du Sud, 29 Novembre 1998/4 Décembre 1998.