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Nabilasari Lesmana E, Yustiawan DGP. CIVIL LAW ANALYSIS OF UNWRITTEN AGREEMENTS IN BUSINESS ACTIVITIES. Pol. Law Not. Regul. Issues [Internet]. 2023 Mar. 7 [cited 2026 Mar. 12];2(2):109-16. Available from: https://ojs.transpublika.com/index.php/POLRI/article/view/568