Qualitative Analysis of some Types of Neutral Delay Differential Equations. Iraqi Journal of Science, [S. l.], v. 62, n. 10, p. 3634–3641, 2021. DOI: 10.24996/ijs.2021.62.10.21. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/3348.. Acesso em: 26 sep. 2024.