PUBLIC ORGANIZATION «Eduvational center “OPEN KNOWLEDGE”.
Adress: Gladkova st., 6/ 175, Dnipro, 49033, Ukraine.
Contact numbers: +38-093-253-38-62; +38-050-361-70-04 – Liubov Chernova.
E-mail: openknowledgeua@gmail.com,
chernlub@ukr.net – Liubov Chernova.
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You Tube: https://www.youtube.com/channel/UCDitQdp5xNt7qwhz3TtOrwA