Khalaf alaha, A., Toufeek, M., Nagaty, N. (2017). Seasonal variation of some heavy metals in tilapia fish organs in relation to water quality of lake Nasser and Balana sewage pond, Aswan, Egypt. test, 13(1), 75-89. doi: 10.21608/ajbs.2017.68635
Ali Kamel Khalaf alaha; Mohamed Toufeek; Nehad Nagaty. "Seasonal variation of some heavy metals in tilapia fish organs in relation to water quality of lake Nasser and Balana sewage pond, Aswan, Egypt". test, 13, 1, 2017, 75-89. doi: 10.21608/ajbs.2017.68635
Khalaf alaha, A., Toufeek, M., Nagaty, N. (2017). 'Seasonal variation of some heavy metals in tilapia fish organs in relation to water quality of lake Nasser and Balana sewage pond, Aswan, Egypt', test, 13(1), pp. 75-89. doi: 10.21608/ajbs.2017.68635
Khalaf alaha, A., Toufeek, M., Nagaty, N. Seasonal variation of some heavy metals in tilapia fish organs in relation to water quality of lake Nasser and Balana sewage pond, Aswan, Egypt. test, 2017; 13(1): 75-89. doi: 10.21608/ajbs.2017.68635