Sihotang PY, Nasution AH. The legal consequences of breach of performance in cooperation between service providers and companies that use event organizers (PT. Showbitz Mitra Utama). PSSJ [Internet]. 2025 Aug. 31 [cited 2025 Oct. 2];5(8):376-85. Available from: https://journal.privietlab.org/index.php/PSSJ/article/view/643