D.S.Boʻriyev, and U.A.Maxmonov. “Yer o’lchash Ishlarida qoʻllaniladigan o’lchash Asboblarining Rivojlanish Tarixi”. Journal of new century innovations 3, no. 1 (November 4, 2022). Accessed May 2, 2026. https://newjournal.org/new/article/view/37.