ENHANCING THE EFIICIENCY OF INFRASTRUCTURE PPP PROJECTS THROUGH LEAN MANAGEMENT TOOLS. Scientific journal "Bulletin of the K. Zhubanov Aktobe Regional University", [S. l.], v. 83, n. 1, p. 393–402, 2026. DOI: 10.70239/arsu.2026.t83.n1.43. Disponível em: https://vestnik.arsu.kz/index.php/hab/article/view/884.. Acesso em: 15 nov. 2026.