Rohmah, Jamilatur, and Chylen Setiyo Rini. “Antibacterial Activity of Rhizome Extracts of Zingiber Zerumbet (L.) Roscoeex Sm. Against Streptococcus Pneumoniae: Aktivitas Antibakteri Ekstrak Rimpang Lempuyang Gajah (Zingiber Zerumbet (L.) Roscoeex Sm.) Terhadap Bakteri Streptococcus Pneumoniae”. Procedia of Social Sciences and Humanities 3 (July 18, 2022): 1007-1016. Accessed April 20, 2024. https://pssh.umsida.ac.id/index.php/pssh/article/view/361.