Ajeng Pawesti, Ammanda Sadiva, et al. “Antibacterial Activity Test of Methanol Extract of Gracilaria Sp. Against Escherichia Coli Using Disc Diffusion Method: Uji Aktivitas Antibakteri Ekstrak Metanol Gracilaria Sp. Terhadap Escherichia Coli Dengan Metode Difusi Cakram ”. BIO-EDU: Jurnal Pendidikan Biologi, vol. 10, no. 3, Dec. 2025, pp. 225-36, doi:10.32938/jbe.v10i3.9389.