Research on Blended Teaching of Advanced Mathematics in Private Universities under the OBE Concept : Perspectives on Teachers’ Instructional Leadership Practices and ICT Competence. International Journal of Educational Development, [S. l.], v. 4, n. 2, p. 68–80, 2026. DOI: 10.63313/IJED.9109. Disponível em: https://academics.erytis.com/index.php/IJED/article/view/756. Acesso em: 7 sep. 2026.