Group decision making 12 Decision support systems 7 Small groups 5 Dissertations 3 Dissertations, Academic 3 Leadership 3 Decision making 2 Mathematical models 2 Multiple criteria decision making 2 Teams in the workplace 2 Blockchains (Databases) 1 Communication systems 1 Computer networks 1 Data processing 1 Export marketing 1 Fuzzy decision making 1 Fuzzy expert systems 1 Marketing 1 Polarization (Social sciences) 1 Undergraduates 1