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Kelleher, Kate. “Vocal Fry and Upspeak - Kate Kelleher.” www.youtube.com, 7 Nov. 2017, www.youtube.com/watch?v=k8s_voON1ws. Accessed 27 Oct. 2021.
Lindsey, Geoff. “Vocal Fry: What It Is, Who Does It, and Why People Hate It!” YouTube, YouTube, 16 July 2023, www.youtube.com/watch?v=Q0yL2GezneU.