Lambert, Sarah Roslyn. “The Siyavula Case: Digital, Collaborative Text-Book Authoring to Address Educational Disadvantage and Resource Shortage in South African Schools”. International Electronic Journal of Elementary Education 11, no. 3 (February 7, 2019): 279–290. Accessed June 21, 2025. https://iejee.com/index.php/IEJEE/article/view/704.