Putera, D.A. et al. 2026. Enhancing E-Commerce Competitiveness in Batam Through Precision Marketing Using Apriori Algorithm and System Dynamics Simulation. Journal of Applied Informatics and Computing. 10, 2 (Apr. 2026), 1939–1951. DOI:https://doi.org/10.30871/jaic.v10i2.10842.