Pham Van, Thuan, Trung Tran, Thao Trinh Thi Phuong, Anh Hoang Ngoc, Thanh Nghiem Thi, and Thuy La Phuong. “Over Three Decades of Data Envelopment Analysis Applied to the Measurement of Efficiency in Higher Education: A Bibliometric Analysis”. Journal on Efficiency and Responsibility in Education and Science 15, no. 4 (December 20, 2022): 251–265. Accessed February 24, 2024.