?url_ver=Z39.88-2004&rft_id=10.3390%2Fsu12208529&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Al-Kayiem%2C+H.H.&rft.aulast=Al-Kayiem&rft.aufirst=H.H.&rft.date=2020&rft.issn=20711050&rft.title=Sustainability+(Switzerland)&rft.issue=20&rft.atitle=A+comparative+review+on+greenery+ecosystems+and+their+impacts+on+sustainability+of+building+environment&rft.pages=1-26&rft.volume=12&rft.genre=article