Sawyer, Wayne & Van de Ven, Piet-Hein. 2007. Paradigms of mother tongue education. L1-Educational Studies in Language and Literature 7(1). 1–3. (doi:10.17239/L1ESLL-2007.07.01.07) (https://l1research.org/article/view/250) (Accessed May 19, 2024.)