Bafoev , Bakhrom Botirovich, and Nozim Qosimovich Hojiqurbonov. 2024. “VUP-4 UNIVERSAL VAKUM STANSIYASI YORDAMIDA PURKASH ORQALI YUPQA GRAFIT PLYONKALARINI OLISH”. Educational Research in Universal Sciences 3 (5):100-103. http://erus.uz/index.php/er/article/view/6262.