1.
Sevastiyanov DV, Colpaert A, Korostelyov E, Mulyava O, Shitova L. Management of tourism and recreation possibilities for the sustainable development of the north-western border region in Russia. NGP [Internet]. 2014Jan.1 [cited 2024May3];43(1):27-38. Available from: https://nordia.journal.fi/article/view/65085