BPG is committed to discovery and dissemination of knowledge
Total Visits of This Article
2020 | Number of total visits
Rank Countries/Territories Count Percent
1 United States 11 61.1%
2 China 2 11.1%
3 Germany 2 11.1%
4 Hong Kong 1 5.6%
5 Japan 1 5.6%
6 Poland 1 5.6%