Nadhim A. Abdullah, Mohammed A. Jaber, and Hamed A. Hamdi. 2023. “The Investigation of the Effect of Polypropylene Waste on the Compressive Strength of Iraqi Portland Cement (UM-Qasir)”. Zeta Repository 18 (May):59-64. https://zetarepo.com/index.php/zr/article/view/1870.