Antibacterial Activity Test of Vinca (Catharanthus roseus) Flowers Methanol Extract Against Bacteria Streptococcus pneumoniae and Klebsiella pneumoniae - Khairani, Tetty; Fitri, Khairani; Novilla, Loura; Shufyani, Fahma; Fiska, Liza (Journal of Pharmaceutical And Sciences, 2022)