List of Articles Mixed integer programming Open Access Article Abstract Page Full-Text 1 - 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 2 - Workers Scheduling in Production Logistics in a Job Shop Production System Ameneh Farahani Mohammadhossein Ladan-Moghadam