Samrin S, Tarigan AA, Sugianto S. Business Development Strategy through Blue Ocean Strategy in Increasing Product Competitiveness in Gayo Coffee Farming in Aceh: Sharia Business Perspective. j. of economics, entrepreneurship, manag. bus. and account. [Internet]. 2026 Mar. 30 [cited 2026 Jun. 5];4(2):189-215. Available from: https://journal.diginus.id/JEEMBA/article/view/986