| |||
| квалификационная группа (Alexander Demidov) | |||
|
certification level : 2 phrases in 2 subjects |
| Ecology | 1 |
| Information security and data protection | 1 |
| |||
| квалификационная группа (Alexander Demidov) | |||
|
certification level : 2 phrases in 2 subjects |
| Ecology | 1 |
| Information security and data protection | 1 |