UJI SINERGITAS ANTIBAKTERI EKSTRAK RIMPANG Curcuma zedoria R. DAN Kaempferia rotunda L. TERHADAP Escherichia coli = SYNERGISTIC ANTIBACTERIAL ACTIVITY OF EXTRACT Curcuma Zedoria R. AND Kaempferia rotunda L. RHIZOME AGAINST Escherichia coli - TALLAMMA, HENDRY (2021)