BERDIEVA , S.; ULASHEVA , A.; OTAQULOVA , Z.; TURAYEV , Z. . XITOY TEOREMASI. International Bulletin of Engineering and Technology, [S. l.], v. 5, n. 11, p. 77–80, 2025. Disponível em: https://internationalbulletins.com/intjour/index.php/ibet/article/view/2266. Acesso em: 25 feb. 2026.