1 Subjects: “...indices of N productivity...”

2 Subjects: “...sustainability indicators...”

3 Subjects: “...key performance indicators...”

4 Subjects: “...vegetation indices...”

5 Subjects: “...cluster validity indices...”

6 Subjects: “...key performance indicators (KPIs)...”

7 Subjects: “...indicators...”

8 Subjects: “...geographical indication...”

9 Subjects: “...municipal development indicators...”

10 Subjects: “...key performance indicators...”

11 Subjects: “...economic complexity indicator (ECI)...”

12 Subjects: “...indicators...”

13 Subjects: “...indicators...”