[Use Case Diagram] Bus Ticket Reservation System Use Case Diagram of Bus Ticket Reservation System. Use Case Diagram Bus Ticket Reservation System Related Posts:[Use Case Diagram] Railway Train E-Ticket Reservation System[Use Case Diagram] Airline Ticket Reservation SystemBus Ticket Reservation System Project in C++ OOPData Bus, Address, Control, System, Expansion, ISA, PCI, AGP BusRailway E-Ticket Reservation System Project in PHPComparison of Use Case Diagram VS Class diagram