List of Articles Integer program Open Access Article Abstract Page Full-Text 1 - A new mathematical model for gate assignment problem considering transit passengers and safety constraints: Benders decomposition approach Alireza Rashidi Komijan Fatemeh Nasrollahpourniazi 10.30495/jiei.2020.679270 20.1001.1.17355702.2020.16.4.8.7 Open Access Article Abstract Page Full-Text 2 - Optimization model for remanufacturing in a real sawmill Lorena Pradenas German Bravo Rodrigo Linfati 10.30495/jiei.2020.678785 20.1001.1.17355702.2020.16.4.3.2 Open Access Article Abstract Page Full-Text 3 - A Mathematical Programming based Approach for Nurse Patient Customized Efficient Assignment: A Case Study of the Paediatrics Department at Kasserine Hospital, Tunisia Jihene Jlassi Habib Chabchoub Ines Rekik Open Access Article Abstract Page Full-Text 4 - A mixed integer bi-level DEA model for bank branch performance evaluation by Stackelberg approach Morteza Shafiee Farhad Hosseinzadeh Lotfi Hilda Saleh Mehdi Ghaderi Open Access Article Abstract Page Full-Text 5 - Workers Scheduling in Production Logistics in a Job Shop Production System Ameneh Farahani Mohammadhossein Ladan-Moghadam