Bellisima, O. B. C., Purwanti, M., & Syahrin, M. A. (2022). Study About The Establishment Of Immigration Office Unit In Gadjah Mada University Before And After Authorized Decision Letter By The Director General Of Immigration Number: Imi-0003.Pb.02.09 2021: Kajian Terhadap Pembentukan Unit Kerja Kantor Imigrasi Kelas I Tempat Pemeriksaan Imigrasi Yogyakarta Di Universitas Gadjah Mada Pra Dan Pasca Terbitnya Keputusan Direktur Jenderal Imigrasi Nomor: Imi-0003.Pb.02.09 Tahun 2021. Journal of Law and Border Protection, 4(2), 75–96. https://doi.org/10.52617/jlbp.v4i2.362