?url_ver=Z39.88-2004&rft_id=doi%3A10.23918%2Fijsses.v5i1p191&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Serin%2C+Hamdi&rft.aulast=Serin&rft.aufirst=Hamdi&rft.title=International+Journal+of+Social+Sciences+%26+Educational+Studies&rft.date=September+2018&rft.atitle=The+Use+of+Extrinsic+and+Intrinsic+Motivations+to+Enhance+Student+Achievement+in+Educational+Settings&rft.volume=5&rft.pages=191-194&rft.issn=24091294&rft.issue=1&rft.genre=article