Baxtiyarov, Sardorbek Baxtiyarovich, and Bobur Qahramon o‘g‘li Xajiyev. 2023. “QORAMOL GO‘SHTI QIYMASINI QADOQLASH BO‘YICHA ILMIY IZLANISH”. Educational Research in Universal Sciences 2 (4 SPECIAL):325-29. http://erus.uz/index.php/er/article/view/2852.