SUSTAINABILITY BLENDED LEARNING, SPACE AND CHALLENGES IN PRIVATE HIGHER EDUCATION; CASE STUDY OF UEU, UMB, AND UNTAR. Architecture Image Studies, [S. l.], v. 6, n. 4, p. 764–777, 2025. DOI: 10.62754/ais.v6i4.679. Disponível em: https://journals.ap2.pt/index.php/ais/article/view/679. Acesso em: 16 mar. 2026.