Triomphe B., Andersson J.A., Scopel E., Juma M.. 2015. In : Sourisseau Jean-Michel (ed.), Kahane Rémi (ed.), Fabre Pierre (ed.), Hubert Bernard (ed.). Proceedings of International Encounters on Family Farming and Research. Montpellier : Agropolis international, p. 21-29. Rencontres internationales agricultures familiales et recherche, 2014-06-01/2014-06-03, Montpellier (France).