1. American Public Health Association (APHA). (1989). Standard methods for the examination of water and wastewater, 16th ed., Washington, DC: American Public Health Association.
2. Åström, M., Sundström, R., Holmberg, M., & Storberg, K. E. (2005). pH of streams in western Finland – a perspective from the Middle Ages into the mid 21st century. Agricultural and Food Science, 14, 5–13.
3. Baran, E., Cheng, P., Warry, F., Vo, T. T., Ha, P. H., & Hoanh, C. T. (2010). Aquatic resources and environmental variability in Bac Lieu Province (Southern Vietnam). In C. T. Hoanh, B. W. Szuster, S.P. Kam, A. M. Ismail, A. D. Noble (Eds.), Tropical deltas and coastal zones: food production, communities and environment at the land–water interface (pp. 13–32). Wallingford: CAB International.
4. Booltink, H. W. G. (1993). Sensitivity analysis on processes affecting bypass flow. Hydrological Processes, 7(1), 33–43.
5. Braaten, R. O., & Flaherty, M. (2001). Salt balances of inland shrimp ponds in Thailand: implications for land and water salinization. Environmental Conservation, 28(4), 357–367.