“Predicting age and maturity of endangered Spiny butterfly ray, Gymnura altavela (Linnaues 1758) ‎‎‎using artificial neural network ‎‎(multilayer perceptron)‎” (2024) Damascus University Journal for the basic sciences, 40(1). Available at: https://journal.damascusuniversity.edu.sy/index.php/basj/article/view/5338 (Accessed: 18 June 2026).