List of Articles Success Rate Open Access Article Abstract Page Full-Text 1 - A Fuzzy Logic Approach to Evaluation of Customer Satisfaction Hodjat Hamidi Open Access Article Abstract Page Full-Text 2 - A Fuzzy Logic Approach to Evaluation of Customer Satisfaction H. Hamidi Open Access Article Abstract Page Full-Text 3 - The Degree of Success in the Implementation of the VAT Tax Administration in Tehran Ataollah Mohammadi Malgharani Reza Asadi Kasnazani