Hasan Z, Dhea Utari Y, Dewi I. Buying and Selling Gas LPG 3 Kg According to Law Number 8 of 1999 and Sharia: Case Study in Bengkalis District. Constitution [Internet]. 2023Jun.1 [cited 2024Dec.23];2(1):109-20. Available from: https://constitution.uinkhas.ac.id/index.php/cj/article/view/44