SusantiR., YuniastutiA., DafipM., and FibrianaF., “Correlation of Heavy Metals Cd, Cr, Cu, Hg, Pb, and Zn with Intestinal Bacteria in Anas platyrhynchos L. Duck”, HAYATI J Biosci, vol. 29, no. 4, pp. 459-467, Mar. 2022.