1 “... engineering, as presented by leading national and international academics, researchers, engineers...”

2 “... engineering, as presented by leading national and international academics, researchers, engineers...”

3 “... engineering, as presented by leading national and international academics, researchers, engineers...”

4 “... engineering, as presented by leading national and international academics, researchers, engineers...”

5 “... materials, and prolonged periods of drought affect southern countries, including African nations. This book...”