Our authors
| № | Country | Authors | 
| 1 | Bulgaria | 8 | 
| 2 | Germany | 2 | 
| 3 | Georgia | 4 | 
| 4 | Egypt | 6 | 
| 5 | India | 10 | 
| 6 | Iran | 2 | 
| 7 | China (PRC) | 1 | 
| 8 | Morocco | 43 | 
| 9 | Nigeria | 25 | 
| 10 | Pakistan | 5 | 
| 11 | Russia | 47 | 
| 12 | USA | 1 | 
| 13 | Switzerland | 1 | 
| 14 | Ethiopia | 1 | 

 
	 
	 
	 
	 
| № | Country | Authors | 
| 1 | Bulgaria | 8 | 
| 2 | Germany | 2 | 
| 3 | Georgia | 4 | 
| 4 | Egypt | 6 | 
| 5 | India | 10 | 
| 6 | Iran | 2 | 
| 7 | China (PRC) | 1 | 
| 8 | Morocco | 43 | 
| 9 | Nigeria | 25 | 
| 10 | Pakistan | 5 | 
| 11 | Russia | 47 | 
| 12 | USA | 1 | 
| 13 | Switzerland | 1 | 
| 14 | Ethiopia | 1 |