Geological study (preliminary) to Evaluation the Volcanic Rocks and their Suitability in the Cement Industry. Journal of Pure & Applied Sciences , [S. l.], v. 20, n. 2, p. 164–170, 2021. DOI: 10.51984/jopas.v20i2.1266. Disponível em: https://sebhau.edu.ly/journal/jopas/article/view/1266. Acesso em: 29 jan. 2026.