Songcayawon, Ronelyn A. Plastics bottles and used polypropylene random copolymer (ppr) coupling as full replacement in rock netting / Ronelyn A. Songcayawon, Jelen Andrew R. Fordan, and Jaime De Claro Jr. - 76 leaves Subjects--Topical Terms: Theses Dewey Class. No.: TH 378.242 S6987 2024