Bùi, Phương, and Hiệp Lê. “Factors Influencing Cost Efficiency of Commercial Banks in Vietnam”. Science & Technology Development Journal: Economics- Law & Management 8, no. 3 (September 30, 2024): 5397-5413. Accessed April 3, 2025. https://stdjelm.scienceandtechnology.com.vn./index.php/stdjelm/article/view/1387.