Our authors
| № | Country | Authors |
| 1 | Algeria | 4 |
| 2 | Bulgaria | 2 |
| 3 | Brazil | 2 |
| 4 | Hungary | 2 |
| 5 | Vietnam | 3 |
| 6 | Ghana | 3 |
| 7 | Germany | 2 |
| 8 | Egypt | 1 |
| 9 | India | 16 |
| 10 | Indonesia | 46 |
| 11 | Spain | 6 |
| 12 | Italy | 1 |
| 13 | Kazakhstan | 12 |
| 14 | Canada | 3 |
| 15 | China (PRC) | 5 |
| 16 | Malaysia | 12 |
| 17 | Morocco | 1 |
| 18 | Mexico | 9 |
| 19 | Nigeria | 8 |
| 20 | Oman | 2 |
| 21 | Pakistan | 45 |
| 22 | Poland | 1 |
| 23 | Portugal | 1 |
| 24 | Russia | 82 |
| 25 | USA | 13 |
| 26 | Saudi Arabia | 1 |
| 27 | Slovakia | 8 |
| 28 | Thailand | 3 |
| 29 | Turkey | 2 |
| 30 | Ukraine | 28 |
| 31 | Philippines | 4 |
| 32 | Czech Republic | 2 |
| 33 | Ethiopia | 1 |