ECONOMIC – MATHEMATICAL MODELING, ACCOMMODATION AND PERFECTION OF REGIONAL AND PROFESSIONAL EDUCATIONAL ESTABLISHMENTS ON THE BASIS OF MULTISTAGE SYSTEM. Academicus Journal of Research, [S. l.], v. 1, n. 3, p. 204–208, 2026. Disponível em: https://researchiapress.com/index.php/4/article/view/159. Acesso em: 19 apr. 2026.