“…The GIS-MADA approaches account for about Note: percentages of the total are given in brackets Note: percentages of the total are given in brackets 70% of the total [16,56,81,90,103,114,145]. Approximately 30% of the approaches fall into the GIS-MODA category [1,2,6,10,65,97,107,192,194]. The GIS-MADA and GIS-MODA approaches can be further subdivided into two categories: individual and group decision making.…”