Performance assessment and optimisation of a large information system by combined customer relationship management and resilience engineering: a mathematical programming approach. - Ali Azadeh; Hasti Foroozan; Behzad Ashjari; S. Motevali Haghighi; Reza Yazdanparast; Morteza Saberi; M. Torki Nejad (Enterp. Inf. Syst., 2017)