Effect of Partial Replacement of Cement by Hydrated Cement on Properties of Cement Paste and Cement Mortar
al-Maǧallaẗ al-ʻirāqiyyaẗ li-l-handasaẗ  al-madaniyyaẗ/Al-Maǧallaẗ al-ʻirāqiyyaẗ li-l-handasat al-madaniyyaẗ