Don't have Telegram yet? Try it now!
Научно-образовательный проект «Прогресс-Школа»
38 members
http://progress-school.org/
https://vk.com/progress_school_spb
https://www.facebook.com/progress.school.spb
If you have Telegram, you can view and join
Научно-образовательный проект «Прогресс-Школа» right away.