ХАЛЯВКА, М. HISTORY AND DEVELOPMENT OF SCIENTIFIC TOURISM IN UKRAINE. EAST EUROPEAN HISTORICAL BULLETIN, [S. l.], n. 1, 2017. DOI: 10.24919/2519-058x.1.101435. Disponível em: http://eehb.dspu.edu.ua/article/view/101435. Acesso em: 27 jul. 2024.