The value of open distance learning (ODL) in assisting history teachers with heritage investigation. Yesterday & Today Journal for History Education in South Africa and abroad, [S. l.], v. 5, p. 51–70, 2010. DOI: 10.17159/. Disponível em: http://www.jsaa.ac.za/index.php/yesterday_and_today/article/view/5357. Acesso em: 7 nov. 2025.