Marpaung F, Mulyono M, Fauzi KMA, Yuniastuti E, Arnita A, Panggabean S. WEB BASED GEOGRAPHIC INFORMATION SYSTEM FOR OPTIMAL TOURIST ROUTE PLANNING IN NORTH SUMATRA USING THE ANT COLONY OPTIMIZATION ALGORITHM. BAREKENG: J. Math. & App. [Internet]. 8Apr.2026 [cited 9Apr.2026];20(3):2523-34. Available from: https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/21693