URN:NBN:SI:spr-6QZT899I2017http://www.dlib.si/results/?query=%27srel%3dPerfectus+PRO%27&pageSize=202591-1813293508352https://www.dlib.si/results/?euapi=1&query=%27keywords%3dperfectus+pro%27&pageSize=25slvPerfectus, Svetovanje in izobraževanjePerfectus PROManagementmenedžmentupravljanje