Abed TH, Ketab SN, Mohamad HA. Oscillation Criteria of Solutions of Third Order Neutral Integro-Differential Equations. Iraqi Journal of Science [Internet]. 2021 Oct. 30 [cited 2025 Dec. 8];62(10):3642-7. Available from: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/3287