SUPRIYADI, E.; BONYAH, E. Open and distance learning: a bibliometric analysis using scopus database and vosviewer. Polyhedron International Journal in Mathematics Education, [S. l.], v. 1, n. 2, p. 76–85, 2023. DOI: 10.59965/pijme.v1i2.45. Disponível em: https://nakiscience.com/index.php/pijme/article/view/45. Acesso em: 2 feb. 2026.