Nindyapuspa, A. and Ni’am, A.C. 2017. DISTRIBUSI LOGAM BERAT TIMBAL DI PERAIRAN LAUT KAWASAN PESISIR GRESIK. Al-Ard: Jurnal Teknik Lingkungan. 3, 1 (Sep. 2017), 1–5. DOI:https://doi.org/10.29080/alard.v3i1.254.