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CrashCourse (Study Skills)-- https://www.youtube.com/watch?v=IhuwS5ZLwKY&list=PL8dPuuaLjXtNcAJRf3bE1IJU6nMfHj86W
I personally used this super valuable playlist of CrashCourse videos (the channel run by Hank Green), and I'm forever indebted to the team: