1. Almeida, R., C. Andrade, D. Paciullo, P. Fernandes, A. Cavalcante, R. Barbosa, and C. Valle. 2013. Brazilian agroforestry systems for cattle and sheep. Tropical Grasslands Forrajes Tropicales 1: 175–183.
2. Artiles, E., R. Van Der Hoek, R. Lima Orozco, C. Rodriguez, S. Hoede, P. Sarria, and S. Martens. 2012. Performance of pigs fed with fresh and ensiled forage of Vigna unguiculata CIAT 4555, Lablab purpureus CIAT 22759 and Cajanus cajan. Proceedings of the XVI international silage conference, Helsinki, Finland.
3. Cassidy, E., P. West, J. Gerber, and J. Foley. 2013. Redefining agricultural yield: From tonnes to people nourished per hectare. Environmental Research Letters. doi: 10.1088/1748-9326/8/3/034015 .
4. CIAT (International Center for Tropical Agriculture). 2012. More chicken and pork in the pot, and money in pocket: Improving forages for monogastric animals with low-income farmers. Final project report submitted to Bundesministerium für Wirtschaftliche Zusammenarbeit und Entwicklung (BMZ), Cali, Colombia.
5. Coffey, L. 2001. Multispecies grazing. Appropriate Technology Transfer for Rural Areas (ATTRA). Retrieved from http://whatcom.wsu.edu/ag/documents/other_animals/MultispeciesGrazing.pdf .