NOSIROVA , R. . BIRINCHI XALIFA ABU BAKR SIDDIQ DAVRLARI. International Bulletin of Engineering and Technology, [S. l.], v. 3, n. 1, p. 67–70, 2023. Disponível em: https://internationalbulletins.com/intjour/index.php/ibet/article/view/297. Acesso em: 18 apr. 2026.