This research presents a mathematical model for the optimal allocation of oil and gas to different sectors in Iran using operations research techniques. Sectors are residential, commercial, transportation, industries, ...

Supply chain management is one of the main factors of successful organization. One of the important causes of its’ ineffectiveness is “Bullwhip Effect”. Most of previous studies were about its’ effect on one-product and ...

Inventory Control Problem is one of the problems in decision making and management that contains non-crisp parameters in real world. Economic Production Quantity (EPQ) model in fuzzy environment has been studied so far by ...

Today, changes in the competitive environment have led to creating organizations with a flexible structure and extensive supply networks, so that they are able to make the necessary changes coordinated with their environment. ...

In this paper we introduced a new priority rule algorithm in human queues. The suggested method is applicable in human lines with different demands (serving times) for different customers. In this method, the waiting time ...

In this paper, considering the importance of opinion leadership and use of social networks for marketing, over 90 articles are studied and a comprehensive review of different studies in this area has been done. Studies ...

Credit decisions are extremely vital for any type of financial institution because it can stimulate huge financial losses generated from defaulters. Credit scoring models are decision support systems that take a set of ...