Barrientos-Monsalve, Ender José. “Concrete Behavior towards Fiber and Volcanic Ash”. Mundo FESC Journal 10, no. 19 (January 1, 2020): 202–214. Accessed September 10, 2026. https://www.fesc.edu.co/Revistas/OJS/index.php/mundofesc/article/view/726.