Flocculation-filtration method for harvesting Euglena sp. Edo Firmansyah, Brilian Ryan Sadewo, Nugroho Dewayanto, Eko Agus Suyono and Arief Budiman BIO Web Conf., 127 (2024) 01002 Published online: 13 September 2024 DOI: 10.1051/bioconf/202412701002