Handayani, R. (2016). Uji Daya Hambat Ekstrak Metanol dan Fraksi Rimpang Lengkuas Merah (Alipinia purpuruta K Schoum) terhadap Bakteri Escherichia Coli: Inhibition Test of Methanol Extract and Red Galangal Rhizome Fraction (Alipinia purpuruta K Schoum) against Escherichia Coli Bacteria. Jurnal Surya Medika (JSM), 1(2), 1–9. https://doi.org/10.33084/jsm.v1i2.393