Perturbation effects in orbital elements of CubeSats. - Ahmed Hanafi; Mohammed Karim; El-Kaber Hachem; Tajjeeddine Rachidi; Mohamed Sahmoudi (ATSIP, 2017)

The Use of Local Sensitive Hashing for E-learner Face Identification. - Hachem H. Alaoui; El-Kaber Hachem; Cherif Ziti; Mohammed Karim (ISC Int. J. Inf. Secur., 2020)