Participatory processing evaluation with champion processors and processing diagnostics of the processing operations - Bello, A.; Iragaba, P.; Diby, N.; Chichango, A.; Guambe, O.; Okoye, B.; Ofoeze, M.; Eluagu, C.; Ejechi, M.; Onyemauwa, N.; Ukeje, B.; Okoye, C.; et al. (International Institute of Tropical Agriculture, 2025)