List of Articles Apriori algorithm Open Access Article Abstract Page Full-Text 1 - Comparison of information transfer delay in standard Apriori algorithm and improved Apriori algorithm Hooman Bavarsad Salehpour Seyed Hamid Seyed Javadi Parvaneh Asghari Mohammad Ebrahim Shiri Ahmad Abadi Open Access Article Abstract Page Full-Text 2 - Eco-Efficiency Evaluation in Two-Stage Network Structure: Case Study: Cement Companies Mirpouya Mirmozaffari Open Access Article Abstract Page Full-Text 3 - Presenting a new approach based on association rule to investigating the relationship of the Oil market with global markets Reza Khosravi Ehsan Mohammadian Amiri pouria Rezai Seyed Babak Ebrahimi