Simarski, L. Working with farmers in Cameroon and Rwanda : new strategies to improve staple food crops / [text L. Simarski, K. Atkinson, S. Chater]. - Ibadan : International Institute of Tropical Agriculture, c1992. - 35 p. : ill. (some col.), maps. ISBN: 9781310812 LCCN: 93016249 Subjects--Topical Terms: Agriculture--Research.--AfricaFood crops--Research.--CameroonFood crops--Research.--RwandaRoot crops--Research.--CameroonRoot crops--Research.--RwandaTuber crops--Research.--CameroonTuber crops--Research.--RwandaAgriculture--Research.--Tropics