Effect of Marble Waste Powder as Cement Replacement on The Concrete Mixes. Journal of Pure & Applied Sciences , [S. l.], v. 19, n. 5, p. 74–78, 2020. DOI: 10.51984/jopas.v19i5.816. Disponível em: https://www.sebhau.edu.ly/journal/jopas/article/view/816. Acesso em: 30 jan. 2026.