Saliyeva Sevara Ma’mirbek qizi, Mahamadjonova Rayhona Shuhratjon qizi. SIRTNING IKKINCHI KVADRATIK FORMASI. JELSI [Internet]. 2026 Apr. 20 [cited 2026 Apr. 28];4(4):327-31. Available from: https://innovativepublication.uz/index.php/jelsi/article/view/5620