NIYAZOVA ZARIFA SAFAROVNA. MODIFIKATSION O`ZGARUVCHANLIKNI STATISTIK USULDA O`RGANISH . World scientific research journal, [S. l.], v. 3, n. 1, p. 222–227, 2022. Disponível em: http://wsrjournal.com/index.php/wsrj/article/view/328. Acesso em: 19 may. 2024.