https://krinedu.blogspot.com/2013/06/video.html
https://docs.google.com/file/d/0B2xF6ZS1op__NDJ3WGd2RzVISFk/edit
Ημέρα: 19 Σεπτεμβρίου 2018
Βοήθημα Φυσικής Α γυμνασίου
https://www.taexeiola.gr/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%b7-%ce%b1-%ce%b3%cf%85%ce%bc%ce%bd%ce%b1%cf%83%ce%b9%ce%bf%cf%85-%ce%bb%cf%85%cf%83%ce%b5%ce%b9%cf%82-%ce%b1%cf%80%ce%b1%ce%bd%cf%84%ce%b7%cf%83%ce%b5%ce%b9%cf%82/