“Perlindungan Hukum Pengguna Jasa Kepabeanan (PPJK): Studi di PT. Logistik Ekspresindo Utama, Medan”, LawSains, vol. 1, no. 2, Sep. 2025, Accessed: Nov. 18, 2025. [Online]. Available: https://journal.prisains.com/index.php/law/article/view/13