Sitinjak, Imman Yusuf, Sariaman Gultom, Christian Daniel Hermes, and Mariah SM Purba. “IMPLEMENTASI SURAT PERJANJIAN MENURUT HUKUM PERDATA DAN KEBIASAAN MASYARAKAT ADAT SETEMPAT”. Community Development Journal : Jurnal Pengabdian Masyarakat 2, no. 2 (May 21, 2020): 242–246. Accessed December 5, 2025. https://journal.universitaspahlawan.ac.id/index.php/cdj/article/view/1699.