Siagian, Nalom, Nurliani Siregar, and Nenni Triana Sinaga. 2026. “Strategic Pillars of MSME Sustainability: The Role of Digital Value Chains and Green Finance in Deli Serdang Regency”. Golden Ratio of Social Science and Education 6 (1):192-201. https://doi.org/10.52970/grsse.v6i1.1714.