R. A. W. Sejati, G. R. Hanum, and I. A. K. Pramushinta, “Test of Lead (Pb) and Zinc (Zn) on Tiger Shrimp (Penaeus monodon) at Kalanganyar Market, Sidoarjo with Atomic Absorption Spectrophotometer (AAS) ”, medicra, vol. 5, no. 1, pp. 56-61, Jul. 2022.