The development of the bibliographic activity according to the country –study in Azerbayaijan during the 20-30 s of the 20 th centry. Journal of history, [S. l.], v. 84, n. 1, p. 154–160, 2017. Disponível em: https://bulletin-history.kaznu.kz/index.php/1-history/article/view/84. Acesso em: 5 jul. 2026.