Uppstad, Per Henning & Tønnessen, Finn Egil. 2012. The ABC of reading: Perspectives on the alphabetic principle. L1-Educational Studies in Language and Literature 11(2). 109–125. (doi:10.17239/L1ESLL-2011.01.07) (https://l1research.org/article/view/319) (Accessed May 16, 2024.)