Analysis of Heavy Metal Content (Pb) on Waters and Fish at The Floating Cages BPPP AmbonRachel L. Wattimena, Debby A.J. Selanno, Semuel F. Tuhumury and Juliana W. TuahatuE3S Web Conf., 31 (2018) 04001DOI: https://doi.org/10.1051/e3sconf/20183104001