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Siregar RS, Harahap AM, Sibarani FH. PENERAPAN GEOFENCE PADA SISTEM INFORMASI GEOGRAFIS PEMETAAN DAERAH RAWAN BEGAL KRIMINALITAS DI WILAYAH POLRES MEDAN BELAWAN: IMPLEMENTATION OF GEOFENCE IN A GEOGRAPHIC INFORMATION SYSTEM FOR MAPPING CRIME-PRONE AREAS IN THE MEDAN BELAWAN POLICE JURISDICTION. HOAQ [Internet]. 2025 Aug. 22 [cited 2026 Jun. 24];16(2):116-29. Available from: https://publikasi.uyelindo.ac.id/index.php/hoaq/article/view/674