Hidayat, Nurul, Najiatun Najiatun, Syaiful Anshori Anshori, and Nabilatul Hasanah. “Circular Economy- Based Business Model With Business Model Canvas For Keris Craftsmen In Sumenep Madura ”. Eqien - Jurnal Ekonomi dan Bisnis 15, no. 01 (March 7, 2026): 91–111. Accessed March 16, 2026. https://stiemuttaqien.ac.id/ojs/index.php/OJS/article/view/2314.