1 “...Africa Circular Economy Series...”

2 Subjects: “...economic benefit evaluation...”

3 Subjects: “...global economy II...”

4 Subjects: “...economic appraisal...”

5 Subjects: “...circular economy...”

6 Subjects: “...circular economy...”

7 Subjects: “...circular economy...”

8 Subjects: “...circular economy...”

9 Subjects: “...circular economy...”

10 Subjects: “...circular economy...”

11 Subjects: “...circular economy...”

12 Subjects: “...economics...”

13 Subjects: “...economic analysis...”

14 Subjects: “...economic analysis...”

15 Subjects: “...economic sustainability...”

16 Subjects: “...economic analysis...”

17 “...With the development of society and the economy, sustainable structures and construction...”

18 “... adapted to social needs that guarantees the movement of people and goods in an economically efficient...”