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

2 Subjects: “...economic appraisal...”

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

4 Subjects: “...global economy II...”

5 Subjects: “...circular economy...”

6 Subjects: “...circular economy...”

7 Subjects: “...economic analysis...”

8 Subjects: “...economic analysis...”

9 Subjects: “...circular economy...”

10 Subjects: “...circular economy...”

11 Subjects: “...circular economy...”

12 Subjects: “...economic sustainability...”

13 Subjects: “...economics...”

14 Subjects: “...circular economy...”

15 Subjects: “...economic analysis...”

16 Subjects: “...circular economy...”

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

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