Η ΚΑΘΟΔΟΣ ΤΩΝ ΔΩΡΙΕΩΝ

http://users.sch.gr/theoarvani/wpt/?p=3245

http://www.slideboom.com/presentations/811782/%CE%99%CF%83%CF%84%CE%BF%CF%81%CE%AF%CE%B1-%CE%94%CE%84-%CE%9A%CE%B5%CF%86.-1---%CE%97-%CE%BA%CE%AC%CE%B8%CE%BF%CE%B4%CE%BF%CF%82-%CF%84%CF%89%CE%BD-%CE%94%CF%89%CF%81%CE%B9%CE%AD%CF%89%CE%BD

http://www.youtube.com/watch?v=o1sEa9hD8V4