“Oscillation Criteria for Solutions of Neutral Differential Equations of Impulses Effect With Positive and Negative Coefficients: Eventually Positive Solutions and Differential Inequalities”. Baghdad Science Journal 17, no. 2 (May 11, 2020): 0537. Accessed May 4, 2024. https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/3073.