Oktaviani, Chintia, and Abi Waqqosh. “The Influence of The Digital Economy on The Competitiveness of The Coffee Industry in Binjai: A Sharia Economic Perspective”. Golden Ratio of Finance Management, vol. 6, no. 1, Nov. 2025, pp. 42-55, doi:10.52970/grfm.v6i1.1137.