?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.jclepro.2019.117728&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=W.&rft.au=Leal+Filho%2C+W.&rft.aulast=Leal+Filho&rft.atitle=A+comparative+study+of+approaches+towards+energy+efficiency+and+renewable+energy+use+at+higher+education+institutions&rft.volume=237&rft.issn=09596526&rft.date=2019&rft.title=Journal+of+Cleaner+Production&rft.genre=article