Chacón Villalobos, A., M. L. Pineda Castro, and S. G. Méndez-Rojas. “Effect of Different Proportions of Goat Milk and cow’s Milk on the Physical and Sensory Characteristics of ‘dulce De leche’”. Agronomía Mesoamericana, vol. 24, no. 1, May 2013, pp. 149-67, doi:10.15517/am.v24i1.9792.