Volta storylines and scenarios: A mouthpiece for interventions that enhance livelihoods - Kizito, Fred; Baron, J.; Wijk, Mark T. van; Douxchamps, Sabine; Cofie, Olufunke O.; Naaminong, K.; Lamptey, B.; Abunyewa, Akwasi (CGIAR Challenge Program on Water and Food, 2011)