VUJOŠEVIĆ, Mirko B.; STANOJEVIĆ, Milan. A bicriterion Steiner tree problem on graph. Yugoslav Journal of Operations Research, [S. l.], v. 13, n. 1, p. 25–33, 2003. DOI: 10.2298/YJOR0301025V. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/81. Acesso em: 26 aug. 2025.