Pemikiran Teori Hukum Murni Hans Kelsen dalam Perspektif Sosiologi Hukum Soerjono Soekanto. NasPen [Internet]. 2025 Oct. 30 [cited 2026 Jun. 15];4(2):42-54. Available from: https://ejournal.mandalanursa.org/index.php/ProsPen/article/view/9633