Botha, Jo-Anne, and Mariette Coetzee. “The Influence of Biographical Factors on Adult Learner Self-Directedness in an Open Distance Learning Environment”. The International Review of Research in Open and Distributed Learning 17, no. 4 (July 8, 2016). Accessed August 31, 2024. https://www.irrodl.org/index.php/irrodl/article/view/2345.