Ulug’bek Bekov Safarovich, Turdiev Murodjon Obid o‘g‘li, and Qodirov Jahongir Haydarovich. 2023. “YUQORI MARKALI BOG‘LOVCHILAR ASOSIDAGI KO‘PIK BETON TARKIBINI ISHLAB CHIQISH”. Journal of New Century Innovations 34 (1):58-62. https://newjournal.org/new/article/view/8376.