Jawad Sharba, B. A., & Mohamad, H. A. (2019). EXISTENCE OF NONOSCILLATORY RELATIVELY BOUNDED SOLUTIONS OF SECOND ORDER NEUTRAL DIFFERENTIAL EQUATIONS. Journal of Al-Qadisiyah for Computer Science and Mathematics, 11(2), math 63–71. https://doi.org/10.29304/jqcm.2019.11.2.549