SHAFIQUE, U.; ABU BAKAR, M. Z. Evaluation of Relationships between Drilling Rate Index and Physical and Strength Properties of Selected Rock Units of Pakistan. The Nucleus, [S. l.], v. 52, n. 2, p. 79–84, 2015. Disponível em: http://thenucleuspak.org.pk/index.php/Nucleus/article/view/653. Acesso em: 3 may. 2024.