URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/pengembangan-resin-polimer-polypropylene--pp--dan-polylactic-acid--pla--daur-ulang-menggunakan-hot-air-convection-dcfcd07e645d245babe887e5e2daa016/899c3113-8cfc-11ef-a04f-00505691351c