Rohmah, J., & Rini, C. S. (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, 1007-1016. https://doi.org/10.21070/pssh.v3i.361