Multi-Level Mitigation Against Abrasion at The Ring-1 Local Transmigrant Area of Bugel Village, Kulon Progo, Indonesia KO Herastuti, SM Maisarah, NM Srianti, NDP Nurlia, FA Marsida, ... Sumatra Journal of Disaster, Geography and Geography Education 5 (2), 131-137, 2021 | | 2021 |