This chart shows the percentage of citations to MIGUEL Villaplana Perez's peer-reviewed articles that originate from MIGUEL Villaplana Perez's own papers, i.e., papers where MIGUEL Villaplana Perez is one of the authors. A self-citation occurs when the citing paper lists MIGUEL Villaplana Perez as an author. Elevated rates may reflect a small co-author network or a narrow research focus.