1. Arciuli, J., & Simpson, I. (2011). Not All Letters are Created Equal: Exploring Letter Name Knowledge through Spelling in School Children and Adults. Writing Systems Research, 3, 153–165.
2. Baker, M. Evolution of the Alphabet. Retrieved April 28, 2023, from https://usefulcharts.com/products/evolution-of-the-alphabet
3. Baker, M. Evolution of the Alphabet. Retrieved April 28, 2023, from https://www.youtube.com/watch?v=3kGuN8WIGNc
4. Celce-Murcia, M., Brinton, D., & Goodwin, J. (2010). Teaching Pronunciation: A Course Book and Reference Guide. Cambridge University Press.
5. Cohen, R. (2014, December 1). From Oops to Whoops: The Long Road from American to English. New York Times. Retrieved April 28, 2023, from https://www.nytimes.com/2014/12/02/opinion/roger-cohen-the-long-road-from-american-to-english.html?_r=0