This paper deals with an i * Corresponding author Email address:   nventory system with one central warehouse and a number of identical retailers. We consider perishable-on-the-shelf items; that is, all items have a fixed shelf life and start to age on their arrival at the retailers. Each retailer faces Poisson demand and employs (1, T) inventory policy. Although demand not met at a retai...

this paper deals with the importance of regionalism in iran's foreign policy. some of the existing outlooks view the characteristics of iran's power structure and politics in such a way that make any security-political, economic and cultural coalition and cooperation difficult in the region. but the author holds that political, security and geopolitical changes in the middle east regi...

the eight year war between iran and iraq is a sensitive and critical period in iran's foreign policy; particularly towards the european community. accordingly and in spite of the fact that the foundations of the new regime in iran have not been consolidated a full scale war ,was imposed on iran, overshadowing all policies and plans including iran's foreign policy. this paper tries to ...