Rumani, D. D., W. Arafah, and K. Kusnadi. “Implementation of Hybrid Deep Learning CNN-LSTM in Cost Recovery Prediction in the Context of Optimizing Low-Cost Carrier Strategic Management at PT Lion Mentari Airlines”. Eastern-European Journal of Enterprise Technologies, vol. 5, no. 3 (137), Oct. 2025, pp. 18-25, doi:10.15587/1729-4061.2025.341940.