Batubara, Hade Chandra, Marliyah, and Tuti Anggraini. “Penerapan Kontrak Jual Beli”. Jurnal EMT KITA 7, no. 1 (January 1, 2023): 1–10. Accessed April 5, 2026. https://journal.lembagakita.com/emt/article/view/713.