Oscillation Criteria of Fourth-Order Nonlinear Differential Equations of the Delay Type. Global Journal of Sciences, [S. l.], v. 3, n. 1, p. 1–12, 2026. DOI: 10.48165/gjs.2026.3101. Disponível em: https://www.acspublisher.com/journals/index.php/gjs/article/view/23613. Acesso em: 18 jul. 2026.