La Rotta Villamizar, Edgar Enrique, and Jarol Derley Ramón Valencia. “ Norte De Santander”. BISTUA REVISTA DE LA FACULTAD DE CIENCIAS BASICAS 16, no. 2 (November 24, 2018): 145–152. Accessed November 4, 2024. https://ojs.unipamplona.edu.co/index.php/bistua/article/view/566.