Agriculture: More water and better farming for improved food security - Walker, Tom; Ward, Christopher; Torquebiau, Rafael; Xie, Hua; Anderson, Weston; Perez, Nikos; Ringler, Claudia; You, Liangzhi; Cenacchi, Nicola; Hash, Tom; Rattunde, Fred; Weltzien, Eva; et al. (World Bank, 2016)