That could work, although real notebooks are worth considering too. (I'm drooling over the TUL discbound notebook system.)
As you teach, you'll notice some topics come up a lot. When I notice these patterns, I like to write down the essentials of a difficult topic in an article and publish it here on DEV.to. Then, I can refer the intern right to the article, and I've saved myself 30-45 minutes per student. (They can always ask additional questions after reading the article.)
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