List of Articles Open Access Article Abstract Page Full-Text 1 - Optimization of Mobile Base Station Placement to Reduce Energy Consumption in Multi-hop Wireless Sensor Network Gholamreza Farahani Ameneh Farahani Open Access Article Abstract Page Full-Text 2 - A Multi-objective Leagile Demand-Driven Optimization Model incorporating a Reliable Omnichannel Retailer: A Case Study Farnaz Javadi Gargari Zahra Saeidi-Mobarakeh Hossein Amoozad Khalili Open Access Article Abstract Page Full-Text 3 - Steel Supply Chain Complexity and Resilience Assessment: Interactive Network Mapping, Graph Theory, and Agent-Based Simulation Mohammad Hossein Sadat Hosseini Khajouei Nazanin Pilevari Reza Radfar Ali Mohtashami Open Access Article Abstract Page Full-Text 4 - A heuristic algorithm for solving bi-level programming problems with application to large-scale location-arc routing in urban traffic lights maintenance Amir Abbas Shojaie Alireza Rashidi Komijan Mohammad Amirabadi Open Access Article Abstract Page Full-Text 5 - A multi-product, multi-period and multi-hub routing and scheduling model for offshore logistics Alireza Rashidi Komijan Mehdi Razi Peyman Afzal Vahidreza Ghezavati Kaveh Khalili Damghani Open Access Article Abstract Page Full-Text 6 - Robust Scheduling and Planning of Operating Rooms and Sterilization Unit with Emergency and Elective Patients: Two Metaheuristic Algorithms Fatemeh Arjmandi Parvaneh Samouei