Nguyen Thi Bich Ngan, Nguyen Truong Phat, Do The Sang, Pham Nguyen Huy Phuong. OPTIMIZING THE DR-SUBMODULAR FUNCTION ON THE INTEGER LATTICE TO MAXIMIZE THE INFLUENCE OF VIRAL MARKETING ON COMMUNITIES . HUIT_OJS [Internet]. 2025 Oct. 28 [cited 2026 Jul. 16];25(5):137-4. Available from: https://ojs.huit.edu.vn/index.php/dai-hoc-cong-thuong/article/view/321