Existence of Nonoscillatory Solutions of Higher Order Nonlinear Neutral Differential Equations. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 16, n. 2, p. 713–723, 2023. DOI: 10.29020/nybg.ejpam.v16i2.4708. Disponível em: https://ejpam.com/index.php/ejpam/article/view/4708.. Acesso em: 7 may. 2024.