Douglas, Johnson E. (ed.). 1982. Programas de semillas : Guía de planeación y manejo. Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. 357 p. (Serie CIAT 09SSe-6 (82))
Zaidi, P.H; Azrai, M; Pixley, K.V, 'Maize for Asia: emerging trends and technologies proceedings of the 10th Asian Regional Maize Workshop', CIMMYT, 2010
Davis, Kristin; Babu, S; Ragasa, Catherine, 'Agricultural extension: Global status and performance in selected countries [in Japanese]', International Food Policy Research Institute, Washington, DC, 2022
El Vilaly, Abd Salam; El Vilaly, Abd Salam; Mahe, Gil, 'Characterizing 40-years of inter-regional migration in Southern Mauritania as a result of environmental changes', 19th EGU General Assembly, EGU2017, proceedings from the conference held 23-28 April, 2017 in Vienna, Austria., p.12429, 2017
Sandiford, M.; Billingham, M.; Boshier, D. Sistemas de apareamiento de Bombacopsis quinata en bosque, huerto semillero y cerca viva. (Mating systems of Bombacopsis quinata in forests, seed orchards and live fences). Tropical Forestry Papers- Oxford Forestry Institute Department of Plant Science (2003) No. 39, 39-47
Surendra, A and Rao, N and Bhattarai, M (2014) Major Social Safety Net Programmes in the Context of Dryland Farming: Review and Synthesis. Working Paper, (SaciWater WP- 01/2014). Working Paper. South Asia Consortium for Interdisciplinary Water Resources Studies . Hyderabad: SaciWATERs