1 Subjects: “...street connectivity and efficiency...”

2 Subjects: “...street connectivity and efficiency...”

3 Subjects: “...irrigation efficiency...”

4 Subjects: “...marine economic efficiency...”

5 Subjects: “...energy efficiency...”

6 Subjects: “...Relative efficiency...”

7 Subjects: “...firm’s efficiency...”

8 Subjects: “...energy efficiency in buildings...”

9 Subjects: “...efficiency measurement...”