Ammar Khelaifa, Abdelaziz Logbi, Mohammed Mani, Hamad Khelaifa. Performance of oil well sand concrete reinforced with polypropylene fibers and incorporating dune and alluvial sands. IJCESEN [Internet]. 2025 Oct. 7 [cited 2025 Oct. 19];11(4). Available from: https://ijcesen.com/index.php/ijcesen/article/view/4053