KON-POPOVSKA, Margita. On some aspects of the matrix data perturbation in linear program. Yugoslav Journal of Operations Research, [S. l.], v. 13, n. 2, p. 153–164, 2003. DOI: 10.2298/YJOR0302153K. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/89. Acesso em: 19 dec. 2025.