ANTIBACTERIAL ACTIVITY OF METHANOLIC EXTRACT OF Plumeria acuminata STEMBARK AGAINST Escherichia coli AND Staphylococcus aureus Aktivitas Antibakteri Ekstrak Metanol Kulit Batang Kamboja (Plumeria acuminata) Terhadap Escherichia coli dan Staphylococcus aur - Harwoko, Harwoko; *Pharmaceutical Biology Laboratory, Faculty of Health Sciences, Universitas Jenderal Soedirman, Purwokerto, Central Java (Badan Penelitian dan Pengembangan Kesehatan, 2014)