Isolation and identification of kaempferol from jangkang (Homalocladium platycladum (F. Muell) Bailey) leaves and its antibacterial activity - Nuria, Maulita Cut; Faculty of Pharmacy, Universitas Wahid Hasyim Semarang (Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia, 2011)