CHINTHAKA-GANEPOLA, G. A. Slope calculations for construction material quarries in the municipality of Pinar del Rio, Cuba. Ciencia & Futuro, [S. l.], v. 3, n. 4, p. 18–31, 2013. Disponível em: https://revista.ismm.edu.cu/index.php/revistacyf/article/view/897. Acesso em: 18 may. 2024.