Effectivenes of Halimeda sp. as a marine bioremediation agent for heavy metal (lead and cobalt) contaminationLisbet Marsitta Hatiuron Sitompul, Chalida Syari and Nurul MawaddahBIO Web Conf., 220 (2026) 03002DOI: https://doi.org/10.1051/bioconf/202622003002