Võ Nguyễn Hương Giang, and Vũ Thanh Nguyên. “Using Fuzzy System and Neural Network to Support Marketing Decision”. Journal of Technical Education Science 1, no. 2 (December 28, 2006): 14–19. Accessed April 7, 2026. https://www.jte.edu.vn/index.php/jte/article/view/962.