External influences on agro-enterprise innovation platforms in Benin, Ghana and Mali – Options for effective responsesGeorge O. Essegbey, Owuraku Sakyi-Dawson, Dansou Kossou, Bara Ouologuem, Fidiala Dembele, Richard Adu-Acheampong et Janice JigginsCah. Agric., 26 4 (2017) 45011DOI: https://doi.org/10.1051/cagri/2017034