Rohmah, Jamilatur, and Chylen Setiyo Rini. 2022. “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), 1007-16. https://doi.org/10.21070/pssh.v3i.361.