Hazratova Dilrabo Choriyevna. “SAKKIZINCHI SINF O‘QUVCHILARINING MATEMATIKA SAVODXONLIGI DARAJASI”. Research Focus International Scientific Journal 2, no. 5 (June 22, 2023): 8–10. Accessed April 19, 2025. https://refocus.uz/index.php/1/article/view/152.