For citations:
, Gordin V.E. Development of cultural tourism in a megapolis: the phenomenon of Saint-Petersburg. Proceedings of the Russian Geographical Society. 2011;143(2):71-79. (In Russ.)
, Gordin V.E. Development of cultural tourism in a megapolis: the phenomenon of Saint-Petersburg. Proceedings of the Russian Geographical Society. 2011;143(2):71-79. (In Russ.)