HAZRATOVA DILRABO CHORIYEVNA. SAKKIZINCHI SINF O‘QUVCHILARINING MATEMATIKA SAVODXONLIGI DARAJASI. Research Focus International Scientific Journal, [S. l.], v. 2, n. 5, p. 8–10, 2023. DOI: 10.66073/10.66073. Disponível em: https://refocus.uz/index.php/1/article/view/152. Acesso em: 9 apr. 2026.