2026-06-27http://hdl.handle.net/123456789/151151Limited Accesssweet potatoesfood cropsbreedingcrop improvementagricultural researchcultivos alimenticiosmejoramejora de cultivosinvestigación agrariaproductividadbatataáfrica al sur del saharaThe effectiveness of potato and sweetpotato improvement programmes from the perspectives of varietal Output and adoption in Sub-Saharan AfricaBook Chapter