Student or Learner
To write an academic essay, you have to read a lot. In such case, what do you call the materials you have read? For example, you have read something in the book or you have read someting from academic journal or you have read something on the internet. Then, what do you call eac thing you read? Can I say just text? And what do you say ' article'?
I have read five texts from books.
I have read five articles from journals.
I have read 2 text from the internet.