... infrastructures principally with due regard to the potential requirements in the near future. Design/methodology/approach Both qualitative and quantitative techniques are used in this study incorporating fuzzy set theory and risk assessment matrix to achieve the research objective. Findings A designed SRM...

.... The fuzzy set theory assesses experts’ perceptions of attributes given in linguistic preferences. The Delphi method has been previously used to validate attributes and determine the validity and reliability of the construct from qualitative information. Findings A set of three aspects containing 21...