Villalobos-Cortés, A., and R. González. “SEQUENCES OF GENE BOLA-DRB3.2 FROM THE GUAYMI AND GUABALA CREOLE CATTLE OF PANAMA”. Ciencia Agropecuaria, no. 28, May 2018, pp. 22-36, http://200.46.165.126/index.php/ciencia-agropecuaria/article/view/2.