S. R. Gultom, imelda G.Purba, I. Trisnaini, D. M. Sari, and H. Hasyim, “Environmental Health Risk Analysis of Copper Exposure to Catfish Commonly Consumed By People in Ulak Jermun Village, Ogan Komering Ilir”, JIKM, vol. 13, no. 3, pp. 321–333, Dec. 2022.