citation
Mutiro, K.; Murwira, Herbert K. 2003. The profitability of manure use on maize in the small-holder sector of Zimbabwe. In: Bationo, André (ed.). Managing nutrient cycles to sustain soil fertility in sub-Saharan Africa. Academy Science Publishers (ASP); Centro Internacional de Agricultura Tropical (CIAT), Nairobi, KE. p. 571-582.