?url_ver=Z39.88-2004&rft_id=doi%3A10.3390%2Fsu13168735&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Juan+Luis&rft.aulast=Mart%C3%ADn+Ayala&rft.au=Mart%C3%ADn+Ayala%2C+Juan+Luis&rft.title=Sustainability&rft.issn=2071-1050&rft.volume=13&rft.pages=8735&rft.issue=16&rft.date=Agosto+2021&rft.atitle=Impact+of+Learning+in+the+COVID-19+Era+on+Academic+Outcomes+of+Undergraduate+Psychology+Students&rft.genre=article