MULTIPLE PLANTS MULTIPLE SITES READY MIXED CONCRETE PLANNING USING IMPROVED ANT COLONY OPTIMIZATION . GEOMATE Journal, [S. l.], v. 19, n. 72, p. 88–95, 2020. Disponível em: https://geomatejournal.com/geomate/article/view/1128. Acesso em: 7 may. 2026.