ABDENOUR LALLAM; FAROUK YALA. The Informal Economy: A Reading of the Concept. The Sankalpa: International Journal of Management Decisions, [S. l.], v. 12, n. 1, p. 493–501, 2026. Disponível em: https://thesankalpa.org/ijmd/article/view/170. Acesso em: 23 feb. 2026.