LYPCHUK, V. V.; Krupa О. M. Data Reduction in Socio-Economic Studies. Statistics of Ukraine, [S. l.], n. 1(76), p. 15–20, 2017. DOI: 10.31767/su.1(76).2017.01.02. Disponível em: https://su-journal.com.ua/index.php/journal/article/view/70. Acesso em: 28 jun. 2026.