Mingga BWB, Gunadi A. Implementation of Black Campaigns as a Form of Unfair Business Competition: A Review of the Fulfillment of the Elements of Article 1365 of the Civil Code: Implementasi Black Campaign Sebagai Bentuk Persaingan Usaha Tidak Sehat: Tinjauan Terhadap Pemenuhan Unsur-Unsur Pasal 1365 KUH Perdata. acopen [Internet]. 2025 Dec. 8 [cited 2026 Feb. 4];10(2):10.21070/acopen.10.2025.12970. Available from: https://acopen.umsida.ac.id/index.php/acopen/article/view/12970