part1: https://drive.google.com/file/d/10-BeQMRV5JOYLoqvmCom2VYCyFqUR5x9/view?u... part2: https://drive.google.com/file/d/1FB6gTRDDab1xgUUDpeVJbHXvZr7eBuXy/view?u... Class: Conception et dévelopement des systemes d'information (CDSI)
