Nguyen HT, Nguyen GH, Tran YTH. The impact of digital transformation on the operational efficiency of commercial banks: Empirical evidence from Vietnam. ijirss [Internet]. 2025 Apr. 22 [cited 2025 Jun. 15];8(2):4345-53. Available from: https://www.ijirss.com/index.php/ijirss/article/view/6365