List of Articles CTT Open Access Article Abstract Page Full-Text 1 - Using fuzzy c-means clustering algorithm for common lecturer timetabling among departments hamed babaei Jaber Karimpour Sajjad Mavizi Open Access Article Abstract Page Full-Text 2 - A New Approach to The University Course Timetabling Problem based on Clustering Algorithms & Fuzzy Multi-Criteria Decision Making behzad mohammadkhani hamed Babaei, davod eskandari mohammadreza hasanzadeh Open Access Article Abstract Page Full-Text 3 - Introduction and analytical comparison of classic test theory (CTT) and item response theory (IRT) in psychometrics Gholamreza Goolmohammadnejhad Open Access Article Abstract Page Full-Text 4 - patterns of cultural and religious diversity Management and its relationship with rebellion and integration. hasan ghanimati Open Access Article Abstract Page Full-Text 5 - Analysis of the Questionnaire "Addiction to Mobile Based Social Networks" Using by Rasch Measurement Model Shima Hosseini Zahra Naghsh Azam Moghadam