Martínez Sáez, S., y H. Hankebo. «Characterization of Some Resources in the Adama Assela Hawassa Region (Ethiopia), With Potential for Mineral Supplementation of Livestock, and Presentation of a New Mineral Salt». Revista De Producción Animal, Vol. 29, n.º 1, June 2017, pp. 50-52, https://revistas.reduc.edu.cu, revistas.reduc.edu.cu/index.php/rpa/article/view/1660.