Handayani, S. ., & Iqbal, M. N. . (2026). The implementation of the sale and purchase agreement in the all-you-can-eat system: A study of consumer protection law no. 8 of 1999 and the perspective of the shafi’i school. Journal of Law Science, 8(1), 79-89. https://doi.org/10.35335/jls.v8i1.6337