SUPARMIN, Sudirman. THE RELEVANCE OF USHUL FIQH IN THE METHOD OF LEGAL CHANGE EFFECTIVENESS OF ROAD TRAFFIC AND TRANSPORT ACTS. Al-Mashlahah Jurnal Hukum Islam dan Pranata Sosial, [S. l.], v. 9, n. 01, 2021. DOI: 10.30868/am.v9i01.3215. Disponível em: https://jurnal.staialhidayahbogor.ac.id/index.php/am/article/view/3215. Acesso em: 4 mar. 2025.