At the end of my bibliography the below is being shown. Does anyone knows how i can remove it please?
Citations are of course added to the document by default. That is after all the way one points to an entry in the bibliography, with a citation. As you've added a bunch of citations after the bibliography, they show up there, as expected.
If you want to add something to the bibliography without generating a citation in the document, you need to set the citation style to Add to bibliography only. For existing citations, this is available via the right-click context menu:
(In LaTeX terms this changes from
\cite or similar to