Sorry, this entry is only available in Українська.
Архивы за год 2019
14.11.2019: Requirements for publications
October 27th, 2019 
roman Sorry, this entry is only available in Українська.
30.10.2019 Propagation of radio-waves
October 24th, 2019 Olga Sorry, this entry is only available in Українська.
New year and Christmas celebrations for children
October 17th, 2019 Trade Union Sorry, this entry is only available in Українська.