Enhancing the Properties of Concrete with the Incorporation of Recycled Polypropylene Plastic. - Alnahas, Jasim; Lakhouit, Abderrahim; Alnchiwati, Majed; Albalawi, Masaud; Elrazzaz, Abdelrahman; Alanzi, Naif; Alghamdi, Abdulaziz; Yassin, Ahmed H. A.; Hijry, Hassan M. (Buildings (2075-5309), 2025)