PRATAP SINGH, S.; SHIVRAM, B. Economic Gain or Social Concern: The British Opium Policy in the Punjab Hill States, 1890-1940. Summerhill: IIAS Review, [S. l.], v. 31, n. 1, p. 63–71, 2026. Disponível em: http://14.139.58.200/ojs/index.php/summerhill/article/view/1751. Acesso em: 20 jan. 2026.