Haapanen, Katja, Antti Saloranta, Kimmo U. Peltola, Henna Tamminen, Lannie Uwu-khaeb, Paavo Alku, and Maija S. Peltola. “Listen-and-Repeat Training of Non-Native vowel quality: Preliminary Findings from Speakers of Namibian Languages”. Journal of Monolingual and Bilingual Speech 6, no. 1 (May 23, 2024): 79–101. Accessed July 7, 2024. https://journal.equinoxpub.com/JMBS/article/view/26127.