Nsiah-Gyabaah, K. Final report of project R7992. Evaluation of a manual entitled ‘Improved vegetable production in the forest-savannah transition zone, Ghana: with special reference to the maintenance of soil fertility’ (an output from NRSP project, R6789) for use by agricultural extension agents. (2002) 32 pp
Osafo, E.L.K. Evaluation of cereal crop residues: influence of species, variety and environment on nutritive value. Final Technical Report - Appendicies Part 1. October 1987-March 1991. AFRC Institute of Grassland and Environmental Research, UK. 191 pp. (1992)