Book / Monograph
On-farm research in theory and practice: proceedings of a workshop on design and analysis of onfarm trials 27 February to 3 March 1989
Mutsaers, H.J. & Walker, P. (Eds.). (1991). On-farm research in theory and practice: Proceedings of a workshop on design and analysis of on-farm trials 27 February to 3 March 1989. Ibadan, Nigeria: IITA, (204p.).