TJIO, Sari Tamayani; TALLA, Alend. Analisis Kinerja Aspek Lingkungan dalam Menekan Biaya Operasional pada PT Permodalan Nasional Madani. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 4, n. 3, p. 6987–6993, 2025. DOI: 10.31004/riggs.v4i3.2997. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/2997. Acesso em: 8 nov. 2026.