Volume & Issue: Volume 12, Issue 3, Summer 2016 
2. Cooperative vehicle routing problem: an opportunity for cost saving

Sedighe Zibaei; Ashkan Hafezalkotob; Seyed Sajad Ghashami


4. JIT single machine scheduling problem with periodic preventive maintenance

Mohammadreza Shahriari; Naghi Shoja; Amir Ebrahimi Zade; Sasan Barak; Mani Sharifi