Aprilia, K., and P. P. Rahmi. “Pengaruh Biaya Operasional Pendapatan Operasional (BOPO), Net Profit Margin (NPM), Dan Inventory Turnover (ITO), Terhadap Return On Assets (ROA) Pada Hotel X Di Kota Bandung”. RIGGS: Journal of Artificial Intelligence and Digital Business, vol. 4, no. 4, Dec. 2025, pp. 5034-42, doi:10.31004/riggs.v4i4.4050.