Stewart, Ruth; Erasmus, Yvonne; Zaranyika, Hazel; … - In: Journal of Development Effectiveness 6 (2014) 1, pp. 58-68
Relevant systematic reviews and impact evaluations were systematically sought and described in order to assess the size and nature of the evidence-base about the effectiveness of interventions for smallholder farmers in Africa. A total of 21 relevant systematic reviews and 415 reports of impact...