Azadeh, M. A., Kokabi, R., & Hallaj, D. "Credibility-Based Fuzzy Mathematical Programming for Bi-Objective Capacitated Partial Facility Interdiction with Fortification and Demand Outsourcing Model", Scientia Iranica, 24, 2, 2017, 778-793. doi: 10.24200/sci.2017.4061