References

Akalu, S., Mengistou, S., and Leta, S. 2011. “Assessing Human Impacts on the Greater Akaki River, Ethiopia Using Macroinvertebrates.” SINET: Ethiopian Journal of Science 34 (2): 89-98-98.

Alilou, Hossein, Alireza Moghaddam Nia, Mohsen Mohseni Saravi, Ali Salajegheh, Dawei Han, and Bahram Bakhtiari Enayat. 2019. “A novel approach for selecting sampling points locations to river water quality monitoring in data-scarce regions.” Journal of Hydrology 573 (February): 109–22. https://doi.org/10.1016/j.jhydrol.2019.03.068.

Kassegne, A. B., T. Berhanu, J. O. Okonkwo, and S. Leta. 2019. “Assessment of trace metals in water samples and tissues of African catfish (Clarias gariepinus) from the Akaki River Catchment and the Aba Samuel Reservoir, central Ethiopia.” African Journal of Aquatic Science 44 (4): 389–99. https://doi.org/10.2989/16085914.2019.1671164.

Melaku, S, T Wondimu, R Dams, and L Moens. 2007. “Pollution status of Tinishu Akaki River and its tributaries (ethiopia) evaluated using physico-chemical parameters, major ions, and nutrients.” Bulletin of the Chemical Society of Ethiopia 21 (1): 13–22. https://www.scopus.com/inward/record.uri?eid=2-s2.0-34249694238{\&}partnerID=40{\&}md5=d374e92334faaae89c7916f82ffcb698.

Rajagopal, R. 1984. “OPTIMAL SAMPLING STRATEGIES FOR SOURCE IDENTIFICATION IN ENVIRONMENTAL EPISODES” 4: 1–14.

Sanders, T. G., R. C. Ward, J. C. Loftis, T. D. Steele, D. D. Adrian, and V. Yevjevich. 1983. DESIGN OF NETWORKS FOR MONITORING WATER QUALITY. Water Resources Publications LLC.

Sanders, Thomas G, and D Dean Adrian. 1978. “Sampling Frequency for River Quality Monitoring” 14 (August).

Sharp, W. E. 1971. “A Topologically Optimum Water‐Sampling Plan for Rivers and Streams.” Water Resources Research 7 (6): 1641–46. https://doi.org/10.1029/WR007i006p01641.

Weldegebriel, Yirgaalem, Bhagwan Singh Chandravanshi, and Taddese Wondimu. 2012. “Concentration levels of metals in vegetables grown in soils irrigated with river water in Addis Ababa, Ethiopia.” Ecotoxicology and Environmental Safety 77: 57–63. https://doi.org/10.1016/j.ecoenv.2011.10.011.