The Effect of guava extract on water quality and survival of tilapia (Oreochromis niloticus) during closed transportationAnnisa Rizka Ramadhani, Eddy Supriyono, Yuni Puji Hastuti, Wildan Nurussalam and Moh Burhanuddin MahmudBIO Web Conf., 221 (2026) 01009DOI: https://doi.org/10.1051/bioconf/202622101009