Developing A Digital Supply Coordination (DSC) Based Upcycling Repurposing Model: Optimizing The Margins of Circular Economy MSMEs in Padang Lawas Regency . International Journal of Economics Development Research (IJEDR), [S. l.], v. 7, n. 3, p. 269–284, 2026. DOI: 10.37385/xbjtbn80. Disponível em: https://journal.yrpipku.com/index.php/ijedr/article/view/12200. Acesso em: 19 oct. 2026.