Lubis, Sharon Kristin, and Said Rizal. “Keabsahan Dan Pelaksanaan Perjanjian Kerjasama Berdasarkan Pasal 1320 Dan 1338 KUHPerdata: (Studi Putusan 655/Pdt/2020/PT Bdg)”. Locus: Jurnal Konsep Ilmu Hukum 6, no. 1 (March 31, 2026): 242–250. Accessed April 16, 2026. https://jurnal.locusmedia.id/index.php/jkih/article/view/912.