Embedding research for innovation to meet societal needs in national research systems: experiences from GhanaCharity Osei-Amponsah, Owuraku Sakyi-Dawson, Samuel Adjei-Nsiah, Richard Adu-Acheampong, George Essegbey et William QuarmineCah. Agric., 25 6 (2016) 65004DOI: https://doi.org/10.1051/cagri/2016047