Aktivitas antibakteri flavonoid propolis Trigona sp terhadap bakteri Streptococcus mutans (in vitro) (In vitro antibacterial activity of flavonoids Trigona sp propolis against Streptococcus mutans) - Sabir, Ardo (Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en, 2005)