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