Karshibayeva Diyora Fazliddin qizi, and Kosimova Shokhida Shokirjon qizi. “WHAT KIND OF CHALLENGES HAVE IN LEARNING A NEW LANGUAGE?”. Scientific Impulse, vol. 1, no. 8, Apr. 2023, pp. 283-5, https://nauchniyimpuls.ru/index.php/ni/article/view/6392.