Bozorova , Oʻgʻiloy Hikmat qizi. “SILINDRIK VA SFERIK KOORDINATALAR SISTEMASI”. GOLDEN BRAIN 1, no. 14 (May 25, 2023): 217–220. Accessed September 20, 2024. https://researchedu.org/index.php/goldenbrain/article/view/3673.