For citations:
Vakhrameeva Z.V., Kurbangaleeva I.V. Digest as a product of information activity. Bibliosphere. 2008;(2):49-53. (In Russ.)
Vakhrameeva Z.V., Kurbangaleeva I.V. Digest as a product of information activity. Bibliosphere. 2008;(2):49-53. (In Russ.)