RAJAB, Renas; ISMAEL , Rasan. Back Propagation Neural Network(BPNN) and Sigmoid Activation Function in Multi-Layer Networks. Academic Journal of Nawroz University (AJNU), [S. l.], v. 8, n. 4, 2019. Disponível em: https://journals.nawroz.edu.krd/files/article/view/691. Acesso em: 10 sep. 2026.