MECHANICAL PROPERTIES OF LAUNDRY WASTEWATER CONCRETE INCORPORATING POLYETHYLENE 2 TEREPHTHALATE (PET) AS PARTIAL REPLACEMENT FOR SAND. NIJOTECH [Internet]. 2025 Jan. 8 [cited 2026 Apr. 28];43(4):618 – 627. Available from: https://www.nijotech.com/index.php/nijotech/article/view/3952