J. A. Naibaho, B. D. Nugroho, and Y. S. Zamil, “PERLINDUNGAN HUKUM BAGI TANAH ULAYAT MASYARAKAT ADAT KESULTANAN DELI AKIBAT NASIONALISASI NV DELI MAATSCHAPPIJ [Legal Protection of the Communal Land Rights of the Deli Sultanate due to the Nationalization of NV Deli Maatschaapij]”, LR, vol. 20, no. 1, pp. 46–70, Sep. 2020.