STOJKOVIĆ, Mirela; SOUMIS, François. The operational flight and multi-crew scheduling problem. Yugoslav Journal of Operations Research, [S. l.], v. 15, n. 1, p. 25–48, 2005. DOI: 10.2298/YJOR0501025S. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/140. Acesso em: 19 dec. 2025.