Mart?nez-Melo, J., V. Torres, H. Jord?n, G. Guevara, N. Hern?ndez, L. Brunett, D. Fontes, C. Mazorra, Y. Lezcano, and N. Cubillas. “Dynamic Classification of the Dairy Cooperative Sectors in the Ciego De Avila Province, Cuba”. Cuban Journal of Agricultural Science, vol. 45, no. 4, Dec. 2011, https://www.cjascience.com/index.php/CJAS/article/view/98.