Pham, D.K., Ngo, V.M., Nguyen, H.H. and Le, T.L.V. 2021. Financial crisis and diversification strategies: the impact on bank risk and performance. Economics and Business Letters. 10, 3 (Aug. 2021), 249–261. DOI:https://doi.org/10.17811/ebl.10.3.2021.249-261.