Abouelfadl, Khaled Y., Walid Aly, and Alaa G.M. Osman. “Ageing Nile Tilapia (Oreochromis niloticus): A Comparative Study Between Scales and Otoliths”. International Journal of Aquatic Biology 8, no. 4 (August 25, 2020): 262–271. Accessed April 19, 2024. https://ij-aquaticbiology.com/index.php/ijab/article/view/914.