SIGALINGGING, Makmur; SRIONO, Sriono; SIAHAAN, Nimrot. Legal Protection for Consumers Against the Purchase of Expired Products on the Market Based on Law No. 8 of 1999 Concerning Consumer Protection. International Journal of Science and Environment (IJSE), [S. l.], v. 5, n. 4, p. 66–75, 2025. DOI: 10.51601/ijse.v5i3.107. Disponível em: https://ijsenet.com/index.php/IJSE/article/view/107. Acesso em: 5 feb. 2026.