Xolliyev Diyor Navruz o'g'li (2025) “PIRAMIDA HOSIL QILGAN HOLDA ULANGAN ZANJIRLARGA OID MASALALARNI YECHISHDA KIRXGOF QOIDALARINI QO’LLASH”, JOURNAL OF NEW CENTURY INNOVATIONS, 77(1), pp. 92–97. Available at: https://scientific-jl.com/new/article/view/14028 (Accessed: 2 August 2025).