Purwanto, P., & Cholis, M. (2026). Analysis of the Influence of Halal Certification on Improving the Performance and Profitability of SMEs in Surakarta. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), 9(1), 3183-3191. https://doi.org/10.31538/iijse.v9i1.8661