Nadhirah Mulyadi, Dea, and Muhammad Fadhli. 2026. “The Influence of Individual Skills, Organizational Structure, and External Environment on the Digital Leadership of School Principals in Deli Serdang”. ARMADA : Jurnal Penelitian Multidisiplin 4 (6):1372-82. https://doi.org/10.55681/armada.v4i6.2303.