TRIWIDODO, M.; HIDAYAT, A. Sektor Informal : Permasalahan dan Harapan. Unisia, [S. l.], n. 11, p. 75–82, 2016. DOI: 10.20885/unisia.v0i11.5179. Disponível em: https://journal.uii.ac.id/Unisia/article/view/5179. Acesso em: 2 may. 2024.