URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/data-envelopment-analysis-approach-to-production-efficiency-of-cayenne-pepper-farming-businesses-in-getasan-sub-district--semarang-regency-dcfcd07e645d245babe887e5e2daa016/40101de5-57c1-11f0-ae8a-e4434b0aa6de