Christian L. Balatbat; Emerly I. Balagosa; Earl John M. Dagdag; Leoj Y. Manliclic; Erwin Ronald D. Calma; Rico Jay S. Laxa. A Cost-Benefit Analysis of Roof Tiles With Polyethylene Terephthalate and Concrete Waste in Construction Industry. IJPRSE 2024, 5, 29-36.