Feijoo Calle, Ernesto Patricio, and Jhenifer Cristina Padrón Suarez. 2020. “ROCK RESISTIVITY AND ITS RELATION TO UNCONFINED COMPRESSIVE STRENGTH IN A MINE”. Universidad Ciencia Y Tecnología 24 (99), 61-67. https://uctunexpo.autanabooks.com/index.php/uct/article/view/296.