SAAD, M. J.; KUMARESAN, N. Oscillation Theorems Concerning Damped Nonlinear Differential Equations Of Second Order. المجلة العلمية لكلية التربية, [S. l.], v. 2, n. 2, p. 32–15, 2023. DOI: 10.37375/foej.v2i2.1545. Disponível em: https://journal.su.edu.ly/index.php/edujournal/article/view/1545. Acesso em: 22 2024.