1. Mumtaz, M.W., Adnan, A., Mukhtar, H., Danish, M., and Raza, M.A., Determination of toxic metals in water of Lahore canal by atomic absorption spectroscopy, J. Water Chem. Technol., 2015, vol. 37, no. 2, pp. 73–77. https://doi.org/10.3103/S1063455X15020058
2. Ullah, Z., Khan, H., Waseem, A., Mahmood, Q., and Farooq, U., Water quality assessment of the River Kabul at Peshawar, Pakistan: Industrial and urban wastewater impacts, J. Water Chem. Technol., 2013, vol. 3, no. 4, pp. 170–176. https://doi.org/10.3103/S1063455X1304005X
3. An introduction to water quality, in Water Quality Assessments: A Guide to Use of Biota, Sediments and Water in Environmental Monitoring, Chapman, D.V., Ed., London: CRC, 1996, chap. 1.
4. Water Quality Assessments: A Guide to Use of Biota, Sediments and Water in Environmental Monitoring, Chapman, D.V., Ed., London: CRC, 1996.
5. Milliman, J.D., Ludwig, W., Kettner, A.J., and Xu, K., Recent trends in fluvial discharge to the Black Sea, in CIESM Workshop Monographs, Madrid: Mediterr. Sci. Com., 2009, no. 39.