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

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

3 Subjects: “...economic appraisal...”

4 Subjects: “...global economy II...”

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: “...economics...”

12 Subjects: “...economic analysis...”

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

14 Subjects: “...circular economy...”

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

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

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...”