List of Articles Open Access Article Abstract Page Full-Text 1 - A Stochastic Model for Water Resources Management Salim Bavandi Hadi Nasseri https://doi.org/10.82521/IJO.2018.1018690 Open Access Article Abstract Page Full-Text 2 - Performance Evaluation of Supply Chain under Decentralized Organization Mechanism Alireza Alinezhad https://doi.org/10.82521/IJO.2018.1018681 Open Access Article Abstract Page Full-Text 3 - An input-oriented radial measure for returns to scale aggregation. Reza Kazemi Matin Roza Aziz Mahdi Mirjaberi https://doi.org/10.82521/IJO.2018.1018682 Open Access Article Abstract Page Full-Text 4 - The Impact of Supply Chain Management on Industrial Efficiency and Technical Performance (Case Study: Engineering New Enterprises of Guilan Province, Northern of Iran) Ataollah Taleghani Mohammad Taleghani Mohsen Shafieyan https://doi.org/10.82521/IJO.2018.1018683 Open Access Article Abstract Page Full-Text 5 - A Model for Allocating Orders to Suppliers in Case of Quantity Discounts Amir Amini Alireza Alinezhad Behzad Nourizad https://doi.org/10.82521/IJO.2018.1018707 Open Access Article Abstract Page Full-Text 6 - Improved Automatic Clustering Using a Multi-Objective Evolutionary Algorithm With New Validity measure and application to Credit Scoring Majid Mohammadi Rad Mahdi Afzali https://doi.org/10.82521/IJO.2018.1018708 Open Access Article Abstract Page Full-Text 7 - Reallocation of the Organization Forces by the Super Effective Model Despite the Limitations on Number and the Way of Transferring the Forces of Some Units Maryam Khatibi Bijan Rahmani Parchikolaei https://doi.org/10.82521/IJO.2018.1018709 Open Access Article Abstract Page Full-Text 8 - Investigating the Theory of Survival Analysis in Credit Risk Management of Facility Receivers: A Case Study on Tose'e Ta'avon Bank of Guilan Province Maryam Ameli Reza Aghajan Nashtaei https://doi.org/10.82521/IJO.2018.1018667