Hamid, Abdul, et al. “ANALYSIS OF HEAVY METAL POLLUTION IN SURFACE SEDIMENTS ON THE SEABED OF PASAR ISLAND”. Jurnal Reksabumi: Journal of Urban, Regional and Environmental Planning, vol. 2, no. 1, Feb. 2023, pp. 65-74, doi:10.33830/Reksabumi.v2i1.4840.2023.