En
Ru
Date of publication: 2017
Date of release: 2017г.
Date of publication: 2018
Date of release: 2018г.
Date of publication: 2018
Date of release: 2018г.
Date of publication: 2018
Date of release: 2018г.
Date of publication: 2017
Date of release: 2017г.
On the Approval of Uniform Requirements for the Format of Objects of the National Electronic Library
Date of publication: 2017
Date of release: 2017г.
Date of publication: 2017
Date of release: 2017г.