RITZHAUPT, Albert Dieter; STEWART, Michelle; SMITH, Patryce; BARRON, Ann E. An investigation of distance education in North American research literature using co-word analysis. The International Review of Research in Open and Distributed Learning, [S. l.], v. 11, n. 1, p. 37–60, 2010. DOI: 10.19173/irrodl.v11i1.763. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/763. Acesso em: 4 may. 2024.