URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/groundwater-balance-estimation-and-quality-for-irrigation-in-the-food-estate-area--central-sumba-regency--east-nusa-tenggara--indonesia-dcfcd07e645d245babe887e5e2daa016/8e436294-605b-11ef-a04f-00505691351c
