Geometrical profile of cohesive-frictional soil slopes for optimal stability. Periodicals of Engineering and Natural Sciences, [S. l.], v. 10, n. 1, p. 323–329, 2022. DOI: 10.21533/pen.v10.i1.540. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/540. Acesso em: 7 jun. 2026.