Question

Hi everyone, I need your help. What do you understand by the following statement: " Use library resources (and Internet: from peer reviewed literature) to locate 6 papers related to your dissertation work. The papers selected should demonstrate that you have covered the body of knowledge available in the peer-review literature and recognized sources: i) scientific journal ii) conference proceedings iii) book iv) section from a book v) site on the internet (peer-reviewed literature) vi) published/unpublished reports"