For citations:
Sukiasyan E. Professional correspondence. Attempt of the analysis. Scientific and Technical Libraries. 2016;(11):59-66. (In Russ.) https://doi.org/10.33186/1027-3689-2016-11-59-66
Sukiasyan E. Professional correspondence. Attempt of the analysis. Scientific and Technical Libraries. 2016;(11):59-66. (In Russ.) https://doi.org/10.33186/1027-3689-2016-11-59-66