Elsayed A. Khallaf, Galal M., Authman M. N. and Zaid R. A. A Comparative Study on the Water Quality of Two Nilotic Canals, and Their Effect on Some Biological Parameters of Oreochromis niloticus, in the Delta of Egypt, and Suggestion of a Simple Water Quality Index. NVBS-V9 [Internet]. 2022 Feb. 14 [cited 2026 Jul. 22];:124-3. Available from: https://stm.bookpi.org/NVBS-V9/article/view/5891