4 ms·
Well that's extremely easy for publishers to defeat these days. Just make all the homework questions online and put a one time use code in the front and lock es
by wholinator2 3y ago
Well that's extremely easy for publishers to defeat these days. Just make all the homework questions online and put a one time use code in the front and lock essential course material behind the purchasw of a _new_ book. Lots more publishers do this then was probably 20 years ago.