The activity of Muntingia calabura leaf extract against pathogenic bacteria in fish Jarod Setiaji, Hisra Melati, Muchtar Achmad, Heriyanto, Valentio Febian Prokoso, Tengku Said Raza’i, Rahmat Huluan and Reyza Pramadani BIO Web Conf., 70 (2023) 01005 Published online: 06 November 2023 DOI: 10.1051/bioconf/20237001005