citation
Friesen, Dennis Keith; Ayarza, Miguel Angel; Thomas, Richard J.; Amézquita Collazos, Edgar; Sanz Scovino, José Ignacio. 1999. Strategic systems research for the Latin American savannas. In: Fujisaka, Sam; Jones, Annie L. (eds.). Systems and farmer participatory research: Developments in research on natural resource management. Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. p. 30-49. (CIAT publication no. 311)