محمد عثمان. شبہ کے حدود پر اثرات. FIKR-O NAZAR فکر ونظر, [S. l.], v. 43, n. 2, p. 71–98, 2005. DOI: 10.52541/fn.v43i2.4365. Disponível em: http://irigs.iiu.edu.pk:64447/ojs/index.php/irifikronazar/article/view/4365. Acesso em: 6 dec. 2025.