Prospects for improving the food and economic security of smallholder maize-based farming systems: a farmer typology approach in Zimbabwe - Manyanga, Mark; Gérard, Françoise; Pedzisa, Tarisayi; Jourdain, Damien; Belard, Amandine; Hanyani-Mlambo, Benjamine; Coquereau, Adrien; Affholder, François (Frontiers in Sustainable Food Systems, 2025)