Safarov , O. J., and S. Q. qizi Usmonova. “TOVUSHDAN TEZ OQIM YORDAMIDA SAMARALI PURKASH QURILMASINI YARATISH”. Educational Research in Universal Sciences, vol. 2, no. 2 SPECIAL, Apr. 2023, pp. 662-4, http://erus.uz/index.php/er/article/view/2087.