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Submitted something similar earlier today, https://news.ycombinator.com/item?id=7453448 https://news.ycombinator.com/item?id=7453448 which discusses an idea for
by Shivetya 13y ago
Submitted something similar earlier today, https://news.ycombinator.com/item?id=7453448 https://news.ycombinator.com/item?id=7453448 which discusses an idea for combating these costs.
- christiangenco 13y agoAre there any good repositories of open source/free textbooks?