Sustainable maize-cowpea cropping systems: A production guide and training manual for farmers and extension officers - Yeboah, Stephen; Amankwaa-Yeboah, Patricia; Keteku, Agbesi K.; Okyere, Harry; Adomako, Joseph; Ghanney, Philip; Adabah, Richard; Ofori, Patrick; Dugan, Emmanuel; Edem, Baba Mutala; Issaka, Fuseini; Owusu Ansah, Alexander; et al. (2024)