citation
Holmann, F.; Rivas, L.; Carulla, J.; Giraldo, L.; Guzman, S.; Martinez, M.; Rivera, B.; Medina, A.; Farrow, A. 2003. Evolution of milk production systems in tropical Latin America and its interrelationship with markets: an analysis of the Colombian case. Paper presented at the ninth world congress on animal production. Porto Alegre, Brazil, 26-31 October 2003. Nairobi (Kenya): ILRI