4 ms·
Maybe not an answer, but there are very good articles about that subject at http://www.supermemo.com/ http://www.supermemo.com/
by gasull 16y ago
Maybe not an answer, but there are very good articles about that subject at http://www.supermemo.com/ http://www.supermemo.com/
- klbarry 16y agoThis is a cool site!