“Use of the Coconut Shell (Cocos Nucifera) As a Filtering Medium in the Water Treatment of El Salto Oilfield, Venezuela”. Revista Científica Ingeniería y Desarrollo. 38, no. 1 (January 3, 2020): 125–147. Accessed October 22, 2026. https://rcientificas.uninorte.edu.co/ingenieria/article/view/12389.