Informal Sector and Its Contributions for Citizen of Kupang City in Social-Economic Lives. Jurnal Inovasi Kebijakan, [S. l.], v. 3, n. 1, p. 1–13, 2018. Disponível em: https://jurnalinovkebijakan.com/index.php/JIK/article/view/22. Acesso em: 30 jan. 2026.