3 ms·
Another critic of Khan Academy: http://andrewducker.livejournal.com/2332277.html http://andrewducker.livejournal.com/2332277.html
by gnosis 16y ago
Another critic of Khan Academy:
http://andrewducker.livejournal.com/2332277.html http://andrewducker.livejournal.com/2332277.html