1 Subjects: “...technical efficiency...”

2 Subjects: “...irrigation efficiency...”

3 Subjects: “...SBM of super-efficiency...”

4 Subjects: “...OEE-Overall Equipment Efficiency...”

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

6 Subjects: “...efficient voter rule...”

7 Subjects: “...efficiency measurement...”

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