List of Articles Preemptive Open Access Article Abstract Page Full-Text 1 - Optimizing a bi-objective preemptive multi-mode resource constrained project scheduling problem: NSGA-II and MOICA algorithms Javad Hasanpour Mohammad Ghodoosi Zahra Sadat Hosseini 10.22094/joie.2016.263 20.1001.1.22519904.2017.10.21.9.2 Open Access Article Abstract Page Full-Text 2 - The preemptive resource-constrained project scheduling problem subjectto due dates and preemption penalties: An integer programming approach Behrouz Afshar nadjafi Shahram Shadrokh