Fuzzy Contingency Determinator© a fuzzy arithmetic-based risk analysis tool for construction projects. - Mohamed M. G. Elbarkouky; Nasir Bedewi Siraj; Aminah Robinson Fayek (NAFIPS/WConSC, 2015)

A combined fuzzy aggregation and consensus process for Multi-Criteria Group Decision Making problems. - Nasir Bedewi Siraj; Moataz Omar; Aminah Robinson Fayek (NAFIPS, 2016)

Determining Project Contingency Reserve Using a Fuzzy Arithmetic-Based Risk Analysis Method. - Seyed Hamed Fateminia; Nasir Bedewi Siraj; Aminah Robinson Fayek; Andrew Johnston (HICSS, 2020)