Shoyinka, S.A2007-11-131976-04-012007-11-131976IDRC-076ehttp://hdl.handle.net/10625/18138Meeting: Symposium on Intercropping for Semi-Arid Areas, 10-12 May 1976, Morogoro, TZIn IDL-1965p. 46Application/pdfenAttempted control of virus incidence in cowpeas by the use of barrier cropsBook Chapter