Mikaeil, R., Shaffiee Haghshenas, S., Shirvand, Y., Valizadeh Hasanluy, M., & Roshanaei, V. (2016). Risk Assessment of Geological Hazards in a Tunneling Project Using Harmony Search Algorithm (Case Study: Ardabil-Mianeh Railway Tunnel). Civil Engineering Journal, 2(10), 546–554. https://doi.org/10.28991/cej-2016-00000057