EMPIRICAL STRENGTH ENVELOPE FOR SHALE. Jurnal Teknologi (Sciences & Engineering), [S. l.], v. 78, n. 7-3, 2016. DOI: 10.11113/jt.v78.9505. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/9505.. Acesso em: 10 apr. 2025.