?url_ver=Z39.88-2004&rft_id=10.12911%2F22998993%2F118293&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Al-Qadami&rft.au=Al-Qadami%2C+E.H.H.&rft.aufirst=E.H.H.&rft.date=2020&rft.pages=255-263&rft.volume=21&rft.issue=4&rft.issn=22998993&rft.atitle=Productivity+enhancement+of+a+double+slope+solar+still+coupled+with+a+solar+system&rft.title=Journal+of+Ecological+Engineering&rft.genre=article