1. Al˗Kiffai, A. N. (2000). Solution of inverse problem of integral equations using variatioal technique (M.Sc. Thesis, University of Babylon).
2. Al˗Kiffai, A. N., & Al˗Shihmani, N. N. (2019). Variational technique for storekeeper control problem as an integral equation (M.Sc. Thesis, Kufa University).
3. Aggarwal, S., Chauhan, R., & Sharma, N. (2018). A new application of Kamal Transform for solving linear volterra integral equations. International journal of latest technology in engineering management and applied science, 7(4), 132–140.
4. Aggarwal, S., Chauhan, R., & Sharma, N. (2018). Application of Kamal transform for solving linear volterra integral equation of the first kind. International journal of research in Advent Technolog, 6(8).
5. Aggarwal, S , Sharma, N., & Chauhan, R. (2019). A new application of mahgoub transform for solving.