?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Zilanawala&rft.aufirst=A&rft.au=Zilanawala%2C+A&rft.atitle=Math+Achievement+Trajectories+Among+Black+Male+Students+in+the+Elementary-+and+Middle-School+Years&rft.volume=54&rft.title=Educational+Studies&rft.pages=143-164&rft.date=2018&rft.issn=0305-5698&rft.issue=2&rft.genre=article