Nugraha, Yudhistira, 		Hiskiawan, Puguh, AND 		Supriyadi, Supriyadi.
" Upward Continuation of Subsurface Anomalies Utilizing Magnetic Data in  The Bedadung Watershed, Jember City" <em>Jurnal ILMU DASAR</em> [Online], Volume 16 Number 2 (22 November 2016)