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“Responsibility of Manufacturers for Helmets for Motorized Vehicle Users in Review of Law No. 8 of 1999 Concerning Consumer Protection”. Jurnal Peradaban Hukum 1, no. 1 (June 30, 2023): 9–26. Accessed March 25, 2026. https://jph.ubb.ac.id/index.php/jph/article/view/4.