Estimation of Suitable Grade Value for Stopping Sight Distance Computation on Vertical Curves
al-Maǧallaẗ al-ʻirāqiyyaẗ li-l-handasaẗ  al-madaniyyaẗ/Al-Maǧallaẗ al-ʻirāqiyyaẗ li-l-handasat al-madaniyyaẗ