LUMBAN GAOL, C. P. Application of Indonesian National Standard (SNI) on Helmets of Two-Wheeled Motor Vehicle Riders: Consumer Rights and Obligations of Business Actors. Journal of Progressive Law and Legal Studies, [S. l.], v. 1, n. 01, p. 47–56, 2023. DOI: 10.59653/jplls.v1i01.31. Disponível em: https://risetpress.com/index.php/jplls/article/view/31. Acesso em: 13 jul. 2025.