Firdaus , Hana Sugiastu, Muhammad Taufik, and Widya Utama. 2013. “NALISIS ONA WAL INGKUNGAN ARI ENGOLAHAN ITRA ANDSAT TM+ (STUDI ASUS :DAERAH KSPLORASI EOTHERMAL ECAMATAN EMPOL, ONDOWOSO)”. EOID 9 (1):58-64. https://doi.org/10.12962/geoid.v9i1.1393.