An Anwar Hamad Sifeddin creator Ahmed Badreldin Khalil Supervisor Ahmed Badreldin Khalil Supervisor Hesham Nabeeh Elmahdy Supervisor ua Cairo Anwar Hamad Sifeddin 2007 eng Eng 102P : ill ; 30cm In this thesis , we evaluate some systems analysis modeling , methodologies and tools We used the credit risks system in the Egyptian Central Bank as a case study It was taken as a system core Then we developed this system using the systems development life cycle (SDLC) Anwar Hamad Sifeddin ; Supervised Ahmed Badreldin Khalil , Hesham N.Elmahdy Thesis (M.Sc.) - Cairo University - Faculty Of Science - Department Of Mathematics Issued also as CD methodologies and modeling http://172.23.153.220/th.pdf http://172.23.153.220/th.pdf EG-GICUC 070306 20250223032456.0 eng