Toshmatova, Maftuna, и Behruzbek Odiljanov. «Hosil Qiluvchi Funksiya». Research and Implementation 4, no. 5/2 (май 20, 2026): 11–14. просмотрено май 21, 2026. https://rai-journal.uz/index.php/rai/article/view/3093.