THE ESSENCE OF THE MARKETING SYSTEM OF PRESCHOOL EDUCATION. Journal of Multidisciplinary Sciences and Innovations, [S. l.], v. 4, n. 2, p. 236–241, 2025. DOI: 10.55640/. Disponível em: https://ijmri.de/index.php/jmsi/article/view/140. Acesso em: 29 jun. 2026.