International Journal of Data Envelopment Analysis and *Operations Research*
The world around us is full of multi-criterion issues and we have to make decisions constantly. In order to make accurate decisions and succeed in business, analysis of existing data is required. For this reason, OR techniques are employed to find the appropriate decision which leads to the desired solution. International Journal of Data Envelopment analysis and Operation Research (IJDEAOR) publishes original research papers of high quality in all topics of applied mathematics specially in Data Envelopment Analysis and Operation Research. The journal has been published 4 times in a year.