“High Levels of Total Ammonia Nitrogen As NH4+ Are Stressful and Harmful to the Growth of Nile Tilapia Juveniles - Doi: 10.4025 actascibiolsci.V35i4.17291”. 2013. Acta Scientiarum. Biological Sciences 35 (4): 475-81. https://doi.org/10.4025/actascibiolsci.v35i4.17291.