Постоянная ссылка
https://oailib.unej.ac.id/vufind/Record/Geoplanning_UNDIP_11201_H_Marhaento_GIS-BASED%2520ANALYSIS%2520FOR%2520ASSESSING%2520LANDSLIDE%2520AND%2520DROUGHT%2520HAZARD%2520IN%2520THE%2520CORRIDOR%2520OF%2520MT.%2520MERAPI%2520AND%2520MT.%2520MERBABU%2520NATIONAL%2520PARK%252C%2520INDONESIA