http://happysonc.livejournal.com/ ([identity profile] happysonc.livejournal.com) wrote in [personal profile] amantonio 2019-03-28 06:31 am (UTC)

Открыли уже платформу

https://www.scibook.org вроде

Только гарантий, что все это тоже не прикроют - нет :(
(142 comments)

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