NUGROHO, Trisapto Wahyudi Agung. Optimalisasi Peran Timpora Pasca Berlakunya Peraturan Presiden Nomor 21 Tahun 2016 Tentang Bebas Visa Kunjungan. Jurnal Ilmiah Kebijakan Hukum, [S. l.], v. 11, n. 3, p. 263–285, 2017. DOI: 10.30641/kebijakan.2017.V11.263-285. Disponível em: https://lawpolicyjournal.id/index.php/kebijakan/article/view/307. Acesso em: 4 oct. 2026.