Varshney, S., J. N. Shrivastava, and N. Gupta. “Transforming Air Quality Index Prediction Using Machine Learning: Key Insights from the Taj Trapezium Zone (TTZ)”. Engineering, Technology & Applied Science Research, vol. 15, no. 5, Oct. 2025, pp. 26741-9, doi:10.48084/etasr.12168.