?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Irshad&rft.au=Irshad%2C+K.&rft.aufirst=K.&rft.date=2016&rft.title=ARPN+Journal+of+Engineering+and+Applied+Sciences&rft.atitle=Effect+of+air+gap+on+performance+enhancement+of+building+assisted+with+photo+voltaic+systems&rft.pages=12078-12083&rft.volume=11&rft.issn=18196608&rft.issue=20&rft.genre=article