Hari Sanjaya. Legal Certainty for E-Commerce Transactions as an Effort to Increase Potential State Revenue in the Taxation Sector . INS9MJ [Internet]. 2024 Sep. 30 [cited 2025 Sep. 12];1(2):99-105. Available from: https://journal.isnu-sumut.org/index.php/ins9mj/article/view/106