For citations:

Manakov A.G., Golomidova E.S., Ivanov I.A. Estimation of the value of tourist flow within cross-border touristic-recreational regions in the north-west borderland of Russia. Proceedings of the Russian Geographical Society. 2019;151(5):18-31. (In Russ.) https://doi.org/10.31857/S0869-6071151518-31