HOROBETS, O. O. Statistical Analysis of Book Publishing in Ukraine and in the World. Statistics of Ukraine, [S. l.], v. 81, n. 2, p. 22–29, 2018. DOI: 10.31767/su.2(81)2018.02.03. Disponível em: https://su-journal.com.ua/index.php/journal/article/view/181. Acesso em: 16 jul. 2026.