1. Al-Weher, S. M. (2008). Levels of heavy metal Cd, Cu and Zn in three fish species collected from the Northern Jordan Valley, Jordan. Jordan Journal of Biological Sciences, 1, 41–46.
2. Ambedkar, G., & Muniyan, M. (2012). Analysis of heavy metals in water, sediments and selected freshwater fish collected from Gadilam River, Tamilnadu, India. International Journal of Toxicology and Applied Pharmacology, 2, 25–30.
3. Amin, N. M., Begum, A., & Monal, K. M. G. (2011). Trace element concentrations present in five species of freshwater fish of Bangladesh. Bangladesh Journal of Scientific and Industrial Research, 46, 27–32.
4. Arnaudova, D., Arnaudov, A., & Tomova, E. (2008). Selected hematological indices of freshwater fish from Studen Kladenetsh Reservoir. Bulgarian Journal of Agricultural Science, 14, 244–250.
5. Atici, T., Ahiska, S., Altindag, A., & Aydin, D. (2008). Ecological effects of some heavy metals (Cd, Pb, Hg, Cr) pollution of phytoplanktonic algae and zooplanktonic organisms in Sariyar Dam Reservoir in Turkey. African Journal of Biotechnology, 7, 1972–1977.