YAVUZ, Mehmet; BALAT, Şener; KAYALI, Bünyami; GÜLEN, Emirhan. The 20-Year Evolution of Distance Education: A Bibliometric and LDA-Based Topic Model Analysis. The International Review of Research in Open and Distributed Learning, [S. l.], v. 27, n. 3, p. 204–230, 2026. DOI: 10.19173/irrodl.v27i3.9164. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/9164. Acesso em: 8 aug. 2026.