LARA GOMEZ, Wilmer Javier; CASTRO SILVA, Hugo Fernando. Support to tactical management for continuous improvement by applying the DMAIC cycle in the purchase order process of Colombia and Ecuador in the ECOLAB company). Mundo FESC Journal, [S. l.], v. 16, n. 34, 2026. DOI: 10.61799/2216-0388.2121. Disponível em: https://www.fesc.edu.co/Revistas/OJS/index.php/mundofesc/article/view/2121. Acesso em: 27 may. 2026.