Dilshoda Rustamovna, B. (2023) “PISA TADQIQOTLARIDA MATEMATIK SAVODXONLIKNING OʻRNI”, Scientific Impulse, 1(5), pp. 2310–2312. Available at: http://nauchniyimpuls.ru/index.php/ni/article/view/3654 (Accessed: 7 April 2025).