Mr  Seyed Alireza Seyed Vakili will defend His ph.d dissertation with the title of “ Time Sequence Modeling of Project Implementation in Railway Network Design Problem”  on 10/Dece/2019  at 17:00 PM , VIP hall of School of Railway Engineering. The advising professor is professorae Jabar Ali Zakeri And DR Seyed Masoud Nasr Azadani.