NARKŪNIENĖ, Ramutė. SUSTAINABILITY ASPECT OF TOURISM DEVELOPMENT IN THE EAST AUKŠTAITIJA REGION, IN LITHUANIA. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 6, p. 420–429, 2019. DOI: 10.17770/sie2019vol6.3923. Disponível em: https://archive-journals.rtu.lv/sie/article/view/2267.. Acesso em: 11 mar. 2026.