Ismonov, Xurshidbek Baxtiyorivich, and Muazzamoy Abduqodir qizi Abduraimova. 2022. “ORTOGONAL PROYEKSIYALAR VA MODELNI KO‘RINISHLARI”. Educational Research in Universal Sciences 1 (3):288-96. http://erus.uz/index.php/er/article/view/358.