Rohaidi, M.L.M., Johari, W.L.W., Mohamed, K.N. , Yasid, N.A. and Ikhsan, N.F.M. 2022. Range Findings of Lethal Concentration of Zinc Sulfate Heptahydrate (ZnSO4.7H2O) to Juvenile Red Tilapia. Journal of Biochemistry, Microbiology and Biotechnology. 10, 2 (Dec. 2022), 1–4. DOI:https://doi.org/10.54987/jobimb.v10i2.741.