Prastyo, Y. et al. 2017. Heavy Metal Contain Cu and Cd on the Mullet in the estuary of Donan River, Cilacap, Central Java. Jurnal Pengolahan Hasil Perikanan Indonesia. 20, 1 (May 2017), 18–27. DOI:https://doi.org/10.17844/jphpi.v20i1.16393.