IRFAN, Ulva Ria. Approach to Measurements of Block Size and Rock Quality Designation on Nickel Laterite Mine. International Journal on Smart Material and Mechatronics, [S. l.], v. 3, n. 1, p. 184–191, 2016. Disponível em: https://ijsmm.id/index.php/ijsmm/article/view/59. Acesso em: 27 aug. 2025.