Nguyen Thi Bich Ngan, Nguyen Truong Phat, Do The Sang, and Pham Nguyen Huy Phuong. “OPTIMIZING THE DR-SUBMODULAR FUNCTION ON THE INTEGER LATTICE TO MAXIMIZE THE INFLUENCE OF VIRAL MARKETING ON COMMUNITIES ”. HUIT Journal of Science 25, no. 5 (October 28, 2025): 137–147. Accessed July 16, 2026. https://ojs.huit.edu.vn/index.php/dai-hoc-cong-thuong/article/view/321.