List of Articles Open Access Article Abstract Page Full-Text 1 - New insight on solving fuzzy linear fractional programming in material aspects SAPAN DAS Seyyed Ahamad Edalatpanah Open Access Article Abstract Page Full-Text 2 - The Application of Data Envelopment Analysis in Fuzzy Queuing Models Najmeh Malekmohammadi Open Access Article Abstract Page Full-Text 3 - Developing a Fuzzy Knowledge Based Optimisation System for Storage and Retrieval Operations of Long Stay Containers Ali Abbas Open Access Article Abstract Page Full-Text 4 - Rough Set in Fuzzy Approximation Space with Fuzzy Equivalence Class Mohadeseh Taginejad Open Access Article Abstract Page Full-Text 5 - A Comparative Study on Evaluation of Modular Courses in Conservatories by the Fuzzy Delphi Method Reza Shahverdi Safieh Mohsenifar Open Access Article Abstract Page Full-Text 6 - A Parameterized Approach for Linear Regression of Interval Data: Suggested Modifications Abdullah Al-Qudaimi