1 Subjects: “...economic efficiency of industrial water use (ECEIW)...”

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

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

4 Subjects: “...sustainable development efficiency...”

5 Subjects: “...technical efficiency...”

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

7 Subjects: “...pump efficiency...”

8 Subjects: “...energy-efficient...”

9 Subjects: “...efficiency hypothesis...”

10 Subjects: “...water-efficient products...”

11 Subjects: “...high efficiency...”

12 Subjects: “...high efficiency...”

13 Subjects: “...high efficiency...”