ЭГ-15 va ЭГ-20 TIPIDAGI GIDRAVLIK EKSKAVATRLARNI QO ‘LLASH ORQALI FOYDALI QAZILMA KONLARINI OCHIQ USULDA QAZIB OLISHNI SAMARADORLIGIMI OSHIRISH. Uzbek Scholar Journal, [S. l.], v. 10, p. 298–302, 2022. Disponível em: https://uzbekscholar.com/index.php/uzs/article/view/380. Acesso em: 2 oct. 2025.