SISTEM INFORMASI GEOGRAFIS PENDATAAN VAKSINASI COVID-19 DENGAN ALGORITMA ANT COLONY BERBASIS WEB PADA KOTA MEDAN. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 7, n. 3, p. 1240–1246, 2024. DOI: 10.54314/jssr.v7i3.2109. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/2109.. Acesso em: 12 apr. 2026.