Fernando, Rosella, and Ronnie Resdianto Masman. 2024. “The Influence of Sustainable Leadership and Business Risk Management on Business Performance Mediated by Business Resilience in Restaurant Businesses in Medan”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) 7 (3), 6597-6621. https://doi.org/10.31538/iijse.v7i3.5044.