Marpaung, F., Mulyono, M., Fauzi, K. M. A., Yuniastuti, E., Arnita, A. and Panggabean, S. (2026) “WEB BASED GEOGRAPHIC INFORMATION SYSTEM FOR OPTIMAL TOURIST ROUTE PLANNING IN NORTH SUMATRA USING THE ANT COLONY OPTIMIZATION ALGORITHM”, BAREKENG: Jurnal Ilmu Matematika dan Terapan, 20(3), pp. 2523-2534. doi: 10.30598/barekengvol20iss3pp2523-2534.