Shadiyev S.R., tayanch doktorant Toshkent davlat transport universiteti Toshkent, O’zbekiston 2024. 10.1 YUQORI MANEVRLI UNIVERSAL CHOPIQ TRAKTORINING RUL BOSHQARUVINING GIDRAVLIK TIZIMINI ASOSLASH. Innovative technologies in construction Scientific Journal. 10, 1 (Jul. 2024), 3–6.