Ecotoxicity and hematological effects of a natural insecticide based on tobacco (Nicotiana tabacum) extract on Nile tilapia (Oreochromis niloticus) - doi: 10.4025/actascibiolsci.v35i2.14131. (2012). Acta Scientiarum. Biological Sciences, 35(2), 157-162. https://doi.org/10.4025/actascibiolsci.v35i2.14131