NIZAM-U-DIN BARECH. Enforcement of Urdu as official Language; Article 251 of the Constitution of Islamic Republic of Pakistan, 1973. Review Journal of Social Psychology & Social Works, [S. l.], v. 2, n. 2, p. 331–341, 2024. DOI: 10.71145/rjsp.v2i2.132. Disponível em: http://socialworksreview.com/index.php/Journal/article/view/132. Acesso em: 12 mar. 2025.