Masianini, Bernadette; Rokotuibau, Mereani, 'Listening to farmers', ICT Update, vol. 49, Technical Centre for Agricultural and Rural Cooperation, Wageningen, 2009
Kulakow, Peter; Ismail Rabbi, 'Assessment of Polyploid Varieties of Cassava for high yield and disease resistance in an Uniform Yield Trial (48 clones) in Ibadan 1993/1994 Breeding Season', International Institute of Tropical Agriculture (IITA), 2020
Kulakow, Peter; Ismail Rabbi, 'Local germplasm (453 clones) at Mokwa 2004/2005 Breeding Season', International Institute of Tropical Agriculture (IITA), 2020
Louhaichi, Mounir; Hassan, Sawsan; Yigezu, Yigezu; Mata-Gonzalez, Ricardo, 2022, "Economic valuation of cactus pear production in semi-arid regions of Mexico", https://hdl.handle.net/20.500.11766.1/FK2/TYYH1N, MELDATA, V9