Mohammed A. Al Madani, Yousef A. Abdullah, Elfitouri K. Ahmied, Noura S. Hawashi, & Mahmoud J. Altayeb. (2022). Investigation of Wadi Al-Shatti Iron Oxide Effects on the Gamma Ray Attenuation and Compression Strength of Hardened Concrete. Journal of Pure & Applied Sciences, 21(4), 213–218. https://doi.org/10.51984/jopas.v21i4.2213