Kulynych О. І. Constructing Functional Models of Economic Phenomena by the Method of Statistical Equations of Dependences. Statistics of Ukraine, [S. l.], n. 3(78), p. 73–78, 2017. DOI: 10.31767/su.3(78).2017.03.09. Disponível em: https://su-journal.com.ua/index.php/journal/article/view/135. Acesso em: 16 jul. 2026.