Posada Barrera, A. I., and L. M. Rodríguez Peralta. “Enhanced CO₂ Forecasting in Indoor Environments Using Advanced LSTM Models”. International Journal of Combinatorial Optimization Problems and Informatics, vol. 17, no. 3, June 2026, pp. 71-81, doi:10.61467/2007.1558.2026.v17i3.897.