State of the art in Grey Systems Research in Economics and Social Sciences -- Grey Relational Analysis in Companies’ Diagnosis -- Grey Models for Decision-Making Problem -- Risk Assessment using Grey Systems Theory -- Suppliers Selection and Optimal Resources Allocation using Grey-based Models...

The rapid growth of information and communication technologies (ICTs) worldwide is increasing the consumption of energy and raw materials at unprecedented levels. As a result, the environmental footprint of the ICT sector is constantly increasing in terms of greenhouse gas emissions, hazardous...