Tjio, Sari Tamayani, and Alend Talla. 2025. “Analisis Kinerja Aspek Lingkungan Dalam Menekan Biaya Operasional Pada PT Permodalan Nasional Madani”. RIGGS: Journal of Artificial Intelligence and Digital Business 4 (3):6987-93. https://doi.org/10.31004/riggs.v4i3.2997.