Naeif , Ahmed Abdulhasan, and Hussain Ali Mohamad. “Oscillation and Asymptotic Behavior of a Three-Dimensional Half-Linear System of Third-Order of Neutral Type”. Iraqi Journal of Science 65, no. 1 (January 30, 2024): 280–296. Accessed December 5, 2025. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/8647.