M. Mondal, M. Rajput, J. Barman, and A. K. Singh, “Evaluating Ionospheric TEC Predictions: A Comparative Analysis between IRI-2016 and IRI-2020 Models Over Indian Equatorial and EIA Regions During 2016-2018”, Ann. Geophys., vol. 69, no. 2, p. SA215, Sep. 2025, doi: 10.4401/ag-9323.