Process of multiple-criteria decision-making or multiple-criteria analyze represents a viable alternative for flexible methodological research and for multidimensional and multiscalar problems in various fields. Multiple-criteria valuation combines the advantages and disadvantages of qualitative and quantitative research, valuing the experience of researchers and information collected. These advantages result from the importance and suitability for decision-making at the regional level, which combines descriptive exploratory research, and causal and intends to keep a balance between abstract and concrete.