Puspitasari D, Setjoatmadja S. Evaluating the Effectiveness of Consumer Protection Laws in Indonesia: A Case Study of E-Commerce. JMS [Internet]. 2025 Mar. 1 [cited 2026 Sep. 22];8(1):65-7. Available from: http://www.journal.staisar.ac.id/index.php/mediasas/article/view/155