Leni A, Moch Rizaldy F, Budi M, Adzkia Hergi P, Muhammad H. Legal Protection for Customers Using Helmets Not Approved to The Indonesian National Standard. HOM [Internet]. 2023 Feb. 28 [cited 2025 May 3];9(1). Available from: https://www.historymedjournal.com/HOM/index.php/medicine/article/view/354