S Hutabarat, Antonius, and Irawan R D Budianto. “Strategic Marketing Transformation in the Digital Age: Integrating AI, Big Data, and Sustainability for Competitive Advantage in Southeast Asia”. Journal of Accounting and Finance Management, vol. 6, no. 6, Jan. 2026, pp. 3227-38, doi:10.38035/jafm.v6i6.2971.