Investigation of Wadi Al-Shatti Iron Oxide Effects on the Gamma Ray Attenuation and Compression Strength of Hardened Concrete. Journal of Pure & Applied Sciences , [S. l.], v. 21, n. 4, p. 213–218, 2022. DOI: 10.51984/jopas.v21i4.2213. Disponível em: https://sebhau.edu.ly/journal/jopas/article/view/2213. Acesso em: 29 jan. 2026.