1

2 Subjects: “...national security...”

3 Subjects: “...national nature reserve...”

4 Subjects: “...National Parks...”

5 Subjects: “...Chinese national scenic areas...”

6 Subjects: “...national travel...”

7 Subjects: “...MINT nations...”

8 Subjects: “...United Nations Sustainable Development Goals...”

9 Subjects: “...national ambient air quality standards...”

10 Subjects: “...national system of innovation...”

11 Subjects: “...national sustainable development plans...”

12 “... national borders, making it more difficult to monitor than activity taking place within countries. The OECD...”

13 “... published by MDPI on the topic. It highlights the most recent internationally/nationally funded projects...”

14 “... stipulates the nationality of its owners and decision makers. Aviation has freed itself from some...”

15 “.... It compares current investment flows with countries' national development objectives to identify misalignments...”

16 “...) of the United Nations Economic Commission for Europe (UNECE)....”

17 “..., and nonprofit organizations. The objective of the convention was to develop a national healthy retail research...”

18 “...;The implications of national and global economic growth, of regional and multilateral trade liberalisation...”

19 “... (spillover effects), and steps taken in one country could have positive or negative impacts beyond national...”

20 “... is of great importance for the optimization of national space. The book mainly focuses on functional...”