Simple roofing system suitable for buildings in hot climate and it's effect on energy conservation (Experimental study)
al-Maǧallaẗ al-ʻirāqiyyaẗ li-l-handasaẗ  al-madaniyyaẗ/Al-Maǧallaẗ al-ʻirāqiyyaẗ li-l-handasat al-madaniyyaẗ