Ali Hassan AHM, Goodi Raheem D. Oscillation Criteria For Solution Of The Fourth Order Nonlinear Neutral Differential Equations. wjps [Internet]. 2024 Sep. 30 [cited 2026 Aug. 16];3(3):16-21. Available from: https://wjps.uowasit.edu.iq/index.php/wjps/article/view/429