Xudayorov , Rashid, and Abdullajon Abdulhamidov. 2024. “VARIATSIYA KO‘RSATKICHLARINING MAZMUNI ULARNI HISOBLASH USULLARI: Https: doi.org 10.5281 Zenodo.14533800”. International Scientific and Practical Conference 1 (3): 7-9. https://bestjournalup.com/index.php/ispc/article/view/788.