Abdillah, Afrisal Amar, Moch Arifin, and Kemal Wijaya. 2025. “Gastropod Diversity As a Bioindicator of the Heavy Metal Iron (Fe) Around the East Coast River of Surabaya”. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 14 (2):467-72. https://doi.org/10.23960/jtep-l.v14i2.467-472.