Monitoring of Merapi Volcano Deformation Using Interferometry Synthetic Aperture Radar (InSAR) Technique - Pamungkas, Ayu Margaworo; Center for Remote Sensing and Ocean Science (CReSOS), Udayana University, PB Sudirman street, Denpasar, Bali, 80232 Indonesia (Graduate Study of Environmental Sciences, Postgraduate Program of Udayana University, 2014)