Putra Wathan F. Legal Effectiveness In Providing Consumer Protection For Online Sales And Purchase At Ecommerce. jrssem [Internet]. 2023 Jun. 10 [cited 2026 Apr. 18];2(11):2707 – 2718. Available from: https://www.jrssem.publikasiindonesia.id.solusipublish.com/index.php/jrssem/article/view/462