Peñaranda Galvis, Vidal Fernando, Rodríguez Miranda, Juan Pablo, Gómez Aguilar, Dora Luz. “Genesıs, Ecosystems And Prıncıples”. International Journal of Advanced Science and Technology, Vol. 29, no. 08, May 2020, pp. 4651 -60, http://sersc.org/journals/index.php/IJAST/article/view/26599.