“MECHANICAL PROPERTIES OF LAUNDRY WASTEWATER CONCRETE INCORPORATING POLYETHYLENE 2 TEREPHTHALATE (PET) AS PARTIAL REPLACEMENT FOR SAND”. Nigerian Journal of Technology 43, no. 4 (January 8, 2025): 618 – 627. Accessed April 28, 2026. https://www.nijotech.com/index.php/nijotech/article/view/3952.