3 ms·
On the topic of flash cards, the Leitner system is pretty awesome. https://en.wikipedia.org/wiki/Leitner_system https://en.wikipedia.org/wiki/Leitner_system
by sackerhews 4y ago
On the topic of flash cards, the Leitner system is pretty awesome.
https://en.wikipedia.org/wiki/Leitner_system https://en.wikipedia.org/wiki/Leitner_system