Saliyeva Sevara Ma’mirbek qizi, and Qodirjonova Marjona Shoirjon qizi,. “KOVARIANT HOSILA VA UNING TATBIQI”. SAMARALI TA’LIM VA BARQAROR INNOVATSIYALAR JURNALI 4, no. 4 (April 26, 2026): 502–505. Accessed April 28, 2026. https://innovativepublication.uz/index.php/jelsi/article/view/5683.