Study of Sludge Accumulation Rate and Sediment Distribution in Kalidami Boezem, SurabayaUmi Aisyah, Ervin Nurhayati, Agus Slamet, Ali Masduqi, Eddy Setiadi Soedjono, Bowo Djoko Marsono and Isni ArliyaniBIO Web Conf., 157 (2025) 05003DOI: https://doi.org/10.1051/bioconf/202515705003