/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: akrstf https://cdn.slidesharecdn.com/profile-photo-akrstf-48x48.jpg?cb=1523591938 A sikernek két alapszabálya van: 1. Ne mondjunk el mindent amit tudunk. 2.