Purnomo, Gracellia, Gloria Mellesmoen, Arian Shamei, and Bryan Gick. “Production Study of Spanish Spirantization in Naturalistic Speech”. Canadian Acoustics 47, no. 3 (October 16, 2019): 90–91. Accessed March 28, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/3323.