For citations:
Pilko I.S., Mukhamedieva S.A. Evaluating effectiveness of libraries. Scientific and Technical Libraries. 2019;(3):31-44. (In Russ.) https://doi.org/10.33186/1027-3689-2019-3-31-44
Pilko I.S., Mukhamedieva S.A. Evaluating effectiveness of libraries. Scientific and Technical Libraries. 2019;(3):31-44. (In Russ.) https://doi.org/10.33186/1027-3689-2019-3-31-44