Witra, Tahjudil, 		Saepuloh, Asep, 		Harto, Agung, AND 		Wikantika, Ketut.
" ANALYZING SURFACE ROUGHNESS MODELS DERIVED BY SAR AND DEM DATA AT GEOTHERMAL FIELDS" <em>Bulletin of Geology</em> [Online], Volume 1 Number 2 (6 November 2017)