Gyan Mani Adhikari, Prem Lal Adhikari, Santosh Chhetri, Chandan Katuwal. Time-Varying Beta and Systematic Risk in Nepal’s Banking Sector: an Empirical Analysis . J. Balkumari Coll. 2025;14(1):60-67. doi:10.3126/jbkc.v14i1.80762