When you restrict an EBSCO or Gale search to bring back only items published in peer-reviewed journals, those results will still contain editorial and opinion pieces, book reviews, news blurbs, and other types of short, non-scholarly articles. These types of articles appear in peer-reviewed publications but are not always acceptable for academic research. Yikes! Always evaluate your sources before including them in your research.
And remember - a 10-20 page article is normal, and ideal for this assignment. Because you are critically evaluating this professional article, you need something with length and substance!