Firel Estefanus Sahetapy, Alfian Reymon Makaruku, and Arie Satrio Sahetapy. “Pemanfaatan Tanah Ulayat Masyarakat Hukum Adat Oleh Investor Dalam Kegiatan Investasi”. J-CEKI : Jurnal Cendekia Ilmiah 2, no. 6 (October 30, 2023): 770–780. Accessed July 30, 2026. https://al-haramjournal.id/J-CEKI/article/view/5192.