Scientific Publication
Issues in onfarm experimentation at Gandajika, Zaire
Shannon, D.A., Kubenga, M. & Mpoy, M.C. (1991). Issues in onfarm experimentation at Gandajika, Zaire. In: H.J.W. Mutsaers and P. Walker (Eds.) On-farm research in theory and practice. Proceedings of a workshop on design and analysis of on-farm trials. 27 February- 3 March 1989. Ibadan, Nigeria, IITA, (p. 188-197).