SukowatiAniek Suryani. 2018. “The Accumulation of Heavy Metal (Lead And Copper) in Milkfish (Chanos-Chanos, Forskal) Ponds From Dukuh Tapak, Kelurahan Tugurejo, Semarang”. Jurnal Pengelolaan Sumberdaya Alam Dan Lingkungan (Journal of Natural Resources and Environmental Management) 8 (3). Bogor, ID, 271-78. https://doi.org/10.29244/jpsl.8.3.271-278.