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Online Tourist Portals of St. Petersburg and Leningrad Region: Current Status and Prospects
Tanina, Anna, Kalmykova, Svetlana, Zaborovskaia, OlgaVolume:
940
Journal:
IOP Conference Series: Materials Science and Engineering
DOI:
10.1088/1757-899X/940/1/012047
Date:
October, 2020
File:
PDF, 330 KB
2020