Sigalingging, Makmur, Sriono Sriono, and Nimrot Siahaan. 2025. “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) 5 (3):66-75. https://doi.org/10.51601/ijse.v5i3.107.