TABLE 3.
Top five prolific countries in the English databases.
| Rank | Publications | Degree | Centrality | Country | First publication year |
|---|---|---|---|---|---|
| 1 | 68 | 2 | 0.02 | China | 2014 |
| 2 | 9 | 4 | 0.07 | USA | 2014 |
| 3 | 6 | 0 | 0 | Australia | 2017 |
| 4 | 5 | 3 | 0 | South Korea | 2014 |
| 5 | 2 | 1 | 0 | Italy | 2016 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.