3 ms·
Piotr Wozniak just posted a new article about SRS https://www.supermemo.com/pl/articles/history https://www.supermemo.com/pl/articles/history (June, 2018)
by brucardoso 8y ago
Piotr Wozniak just posted a new article about SRS https://www.supermemo.com/pl/articles/history https://www.supermemo.com/pl/articles/history (June, 2018)