Abraham, Lenittamol, and Dr. Vimal George Kurian. “Investigating Volatility Persistence and Leverage Effect in Sectoral Indices of NSE: An Evaluation Using GARCH Models”. International Journal of Accounting and Economics Studies, vol. 12, no. 8, Dec. 2025, pp. 9-17, https://doi.org/10.14419/dxmp1372.