URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/partisipasi-petani-dalam-program-kelompok-desa-mandiri-benih-di-daerah-istimewa-yogyakarta-dcfcd07e645d245babe887e5e2daa016/e9922263-ccad-11ef-8115-00505691351c