ABDULLAYEVA MADINAXON MA’MIRJON QIZI. FAKTORIAL VA UNING TURLARI. RESEARCH AND EDUCATION, [S. l.], v. 3, n. 8, p. 62–65, 2024. Disponível em: https://webgoldenbrain.com/index.php/research/article/view/567.. Acesso em: 30 jan. 2025.