Xolliyev Diyor Navruz o'g'li. PIRAMIDA HOSIL QILGAN HOLDA ULANGAN ZANJIRLARGA OID MASALALARNI YECHISHDA KIRXGOF QOIDALARINI QO’LLASH. new. 2025;77(1):92-97. Accessed August 2, 2025. https://scientific-jl.com/new/article/view/14028