YASEEN, Hamna; RIZVI, Syeda Fatima Abbas; SAJID, Wajiha; KHAN, Muhammad Taimoor. Beyond Penalties: Positioning Karachi’s E-challan System as a Public Health Intervention. Journal of Community Medicine and Health Solutions, [S. l.], p. 121–122, 2026. DOI: 10.29328/journal.jcmhs.1001086. Disponível em: https://www.communitymedjournal.com/jcmhs/article/view/jcmhs-aid1086. Acesso em: 26 oct. 2026.