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. 2024 Aug 14;19(8):e0293694. doi: 10.1371/journal.pone.0293694

Table 5. Classification summary of the input and output selection approaches.

Approaches N %
Literature review 63 70.79
Literature review 60 67.42
Local studies literature review 3 3.37
Literature review and data availability 12 13.48
Literature review and data availability 11 12.36
Local studies literature review and data availability 1 1.12
Literature review and systematic method 5 5.62
Literature review and Delphi method 2 2.25
Literature review and Promethee method 1 1.12
Literature review and bibliometric analysis 1 1.12
Literature review and variance filter analysis 1 1.12
Literature review and DMU limitation 5 5.62
Literature review and expert judgement 3 3.37
Literature review, data availability, expert judgement, and DMU limitation 1 1.12