سمير كامل الخطيب. Applying Crosby’s constants to improve quality in Iraqi organizations. Iraqi Journal for Administrative Sciences, كربلاء، جمهورية العراق, v. 4, n. 14, p. 71–100, 2024. Disponível em: https://mail.journals.uokerbala.edu.iq/index.php/ijas/article/view/1652. Acesso em: 19 jan. 2025.