[http://develop.finki.ukim.mk/projects/HELI/wiki/%D0%94%D0%B8%D1%98%D0%B0%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%20%D0%BD%D0%B0%20Use%20Case%20%D0%BC%D0%BE%D0%B4%D0%B5%D0%BB%D0%BE%D1%82 Дијаграми на Use Case моделот] \\ [http://develop.finki.ukim.mk/projects/HELI/wiki/Use%20cases Use cases] \\