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This article is from none of the above books.How can you trace?
This is from my notes.
Plz enlighten me further.

You shouldn’t use your notes as a reference cause information from your notes were gotten from somewhere which you cannot trace as it stands. The internet has a lot of information in relation to this topic.

"The internet has a lot of information in relation to this topic".
Why shall i link to internet source, although not being from internet?