Uji Aktivitas Fraksi N-Heksana Ekstrak Metanol Bangle (Zingiber cassumunar Roxb.) sebagai Terapi Komplementer Malaria secara In Vivo (The Activity Test of N-Hexane Fraction of Bangle (Zingiber cassumunar Roxb.) Methanolic Extract as Complementary Therapy of Malaria In Vivo)