SYDOROVA, A. V.; GLUSHCHENKO, A. M. Integral Evaluation of Changes at Metallurgical Enterprises. Statistics of Ukraine, [S. l.], n. 4(71), p. 23–29, 2015. Disponível em: https://su-journal.com.ua/index.php/journal/article/view/44. Acesso em: 16 jul. 2026.