List of Articles Open Access Article Abstract Page Full-Text 1 - Providing a Method to Buffer Sizing Determination in Critical Chain of Project Scheduling (Case study: Suliran Co.) Mohammad Mehdi Tavagho Hamedani Ahmad Makouie Open Access Article Abstract Page Full-Text 2 - The Relationship between Entrepreneurship and Business Performance in Managers of Productive Units Moslem Abbasi Abbas Abolghasemi Mohammad Narimani Open Access Article Abstract Page Full-Text 3 - Determining the Leanness Using Dimensional Analysis, AHP, and Fuzzy TOPSIS Methods (Case study: Rose Fireplace Co.) Navid Hooshiar Morteza Sadegh Amalnik Open Access Article Abstract Page Full-Text 4 - Investigating Causes of Delay in Performing Oil and Gas Industrial Projects in South Rich Areas National Company Mostafa Ravand Mohammad Salaahi Abhari Open Access Article Abstract Page Full-Text 5 - The Role of Information Technology in Designing and Implementing Knowledge Management in Telecommunication based on Fuzzy AHP Technique Davod Khosroanjom Shaban Elahi Rasoul Chawshini Ali Shayan Open Access Article Abstract Page Full-Text 6 - Integration of Value Engineering and Total Quality Management for Construction Ali Medghalchi Arshad Farahmandian Open Access Article Abstract Page Full-Text 7 - Developing Model of Bus Dwell Time at Regular Bus Stops (Case Study: Abadan City) Roohangiz Namdari Atousa Tangestani Open Access Article Abstract Page Full-Text 8 - An Investigation on the Impact of the Financial Ratios and Growth Rates on Future Abnormal Stock Returns (Case Study: Companies Listed in the Cement Industry) Delir Nasera-badai Bizhan Khazduzi Omid Mahmoudi Khoshroo Open Access Article Abstract Page Full-Text 9 - A Survey on Employees Performance Appraisal Systems by Using the Fuzzy Tree Model Soleyman Iranzadeh Davood Norouzi Sadegh Babaei Heravi