SCREENING BAKTERI TERMOFILIK PENGHASIL ENZIM AMILASE DARISUMBER AIR PANAS SINGGAHAN TUBAN, JAWA TIMURSCREENING THERMOPHILIC BACTERIA OF AMYLASE ENZYME FROMSINGGAHAN HOT SPRINGS TUBAN, JAWA TIMUR - EVA NOVITASARI, YULIANA (UNESA Journal of Chemistry, 1970)