Haqqulov , N. ., M. Nurullayeva, and M. Yaxiyaxonova. “PAZITSION VA NOPAZTSION SANOQ SISTEMALARI. SONLARNI BIR SANOQ SISTEMASIDAN BOSHQA SANOQ SISTEMASIGA OʻTKAZISH”. Natural Sciences in the Modern World: Theoretical and Practical Research, vol. 4, no. 1, Jan. 2025, pp. 25-28, https://inlibrary.uz/index.php/zdtf/article/view/63216.