For citations:
Nikolaeva M.A., Sidorenko M.Yu. Features of evaluating the effectiveness and efficiency of marketing activities. Economic Systems. 2026;19(2):78-86. (In Russ.) https://doi.org/10.29030/2309-2076-2026-19-2-78-86
JATS XML
Nikolaeva M.A., Sidorenko M.Yu. Features of evaluating the effectiveness and efficiency of marketing activities. Economic Systems. 2026;19(2):78-86. (In Russ.) https://doi.org/10.29030/2309-2076-2026-19-2-78-86