Distribution of Cromium (Cr) in the Bottom Substrate around Kebintik and Batu Belubang Coastal Waters, Bangka IslandUmroh, Aditya Pamungkas, Irma Akhrianti, Aries Dwi Siswanto and NuryantoBIO Web Conf., 216 (2026) 13002DOI: https://doi.org/10.1051/bioconf/202621613002