UBAVIĆ, P. MARKETING CONCEPT IN THE FUNCTION OF TOURISM BUSINESS IMPROVEMENT. BizInfo (Blace) Journal of Economics, Management and Informatics, [S. l.], v. 5, n. 2, p. 45–55, 2014. Disponível em: http://bizinfo.edu.rs/index.php/bizinfo/article/view/32. Acesso em: 27 jan. 2023.