Fajar Sutejo; Leni Sophia Heliani. VALUASI ARIAN ATA ODEL ERAIN IGITAL ALAM ENENTUAN ODEL EOID OKAL tudi asus: D.I. ogyakarta: (Evaluation of igital errain odels for ocal eoid etermination a ase tudy in D.I. ogyakarta rovince, ndonesia). Geomatika 2022, 27, 9-18.