KHARCHI, Tahar. Informal hubs, formal impacts: Spatial dynamics of parallel trade in Setif and El Eulma. Tax Policy Journal, Victoria, Australia, v. 21, n. 1, p. 51–78, 2025. Disponível em: https://taxpolicyjournal.org/index.php/tpj/article/view/13. Acesso em: 16 may. 2026.