Thạnh, Lê Mạnh, and Hoàng Bảo Hùng. “A Cost Model for Object-Oriented Query Processing in Object-Oriented Databases”. Journal of Computer Science and Cybernetics 23, no. 3 (July 23, 2012): 240–250. Accessed December 4, 2024. https://vjs.ac.vn/index.php/jcc/article/view/1382.