Hasyim, Muhammad Sulaiman, et al. “Semi-Free Buffet Stalls in East Java: An Islamic Economic Analysis of Food Security and Cultural Poverty Risk”. El-Qist: Journal of Islamic Economics and Business (JIEB), vol. 15, no. 2, Nov. 2025, pp. 196-15, doi:10.15642/elqist.2025.15.2.196-215.