1 Subjects: “...economic viability...”

2 Subjects: “...economic analysis...”

3 Subjects: “.../ studies,Economic and non-economic exchange,Byzantine,dynasties,Cultural history,Concepts...”

4 Subjects: “...techno-economic analysis...”

5 “..., and economics....”

6 “... and propagated in the postcolonial present through economic, cultural, and political forces. Through the texts...”

7 “... in their areas and encourage economic growth. Meanwhile, Urban Air Mobility (UAM) offers a promising opportunity...”