Fitri, Y., Y. I. Siregar, and B. Amin. “ANALYSIS OF METAL Pb AND Cu CONTENT IN SEAGRASS (Sargassum Sp) IN BAYUR BAYS OF WEST SUMATERA PROVINCE”. Asian Journal of Aquatic Sciences, Vol. 4, no. 1, Apr. 2021, pp. 36-43, doi:10.31258/ajoas.4.1.36-43.