URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/pendampingan-pengelolaan-sampah-di-smp-4-pakem-dan-lapas-kelas-iib-sleman--pemandatan--dcfcd07e645d245babe887e5e2daa016/c2982582-3144-11f0-ae8a-e4434b0aa6de