NIKOLIĆ, Ognjen. Entrepreneurs’ Preferences Towards Online Market Research Packages: А Discrete Choice Analysis. Yugoslav Journal of Operations Research, [S. l.], v. 34, n. 2, p. 229–244, 2023. DOI: 10.2298/YJOR230815026N. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/780. Acesso em: 28 jul. 2025.