Rismana D, Hariyanto H. Perspektif Teori Sistem Hukum Dalam Kebijakan Vaksinasi di Tengah Pandemi Covid-19. JurnalIUS-KHK [Internet]. 2021 Dec. 13 [cited 2025 Mar. 10];9(3). Available from: https://jurnalius.ac.id/ojs/index.php/jurnalIUS/article/view/951