Hussein, M. S., Jehan A.Qahtan, and Taysir E. Dyhoum. 2024. “An Approximate Solution for a Second Order Elliptic Inverse Coefficient Problem With Nonlocal Integral”. Ibn AL-Haitham Journal For Pure and Applied Sciences 37 (2): 409-23. https://doi.org/10.30526/37.2.3477.