Aziz Abdulkader, Nawal, نوال, and Nadia Adnan. “Study Boundary Problem With Integral Condition for Fractional Differential Equations”. Journal of Education and Science (JES) 29, no. 3 (September 1, 2020): 237–245. Accessed August 4, 2025. https://rjps.uomosul.edu.iq/index.php/edusj/article/view/18038.