Laubscher D, Koch L-A, Sekano G. Enhancing South African Mathematics Teachers’ Big Ideas Knowledge and Self-Directed Learning: A blended Learning Professional Development Intervention. IJLTER [Internet]. 2026 Feb. 28 [cited 2026 Jun. 25];25(2):547-76. Available from: https://ijlter.myres.net/index.php/ijlter/article/view/2719