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https://twitter.com/GerasimLa

https://twitter.com/akseniyap

https://twitter.com/gabriela_luhova

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Angry birds

http://studio.code.org/hoc/1

https://www.youtube.com/watch?v=UiCfgGsVNik

https://www.khanacademy.org/

http://www.codecademy.com/

http://code.org/

http://academy.telerik.com/

https://hackbulgaria.com/

https://robopartans.com/

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