?url_ver=Z39.88-2004&rft_id=doi%3A10.51475%2Fjems.2020.4&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Saeed&rft.au=Jafari+Titkanloo%2C+Saeed&rft.aulast=Jafari+Titkanloo&rft.atitle=The+effect+of+marketing+activities+on+gaining+a+competitive+advantage+with+the+mediating+role+of+relationship+quality%3B+case+study%3A+Ansar+Bank+of+Mashhad&rft.volume=10&rft.title=Journal+of+Educational+and+Management+Studies&rft.issue=2&rft.pages=30-39&rft.issn=2322-4770&rft.date=25+June+2020&rft.genre=article