| |||
| work elements (ssn) | |||
| |||
| job (Alexander Demidov) | |||
| differential of work | |||
| element of work (ssn) | |||
|
элементы работы : 40 do fraz, 24 tematyki |
| |||
| work elements (ssn) | |||
| |||
| job (Alexander Demidov) | |||
| differential of work | |||
| element of work (ssn) | |||
|
элементы работы : 40 do fraz, 24 tematyki |