Schumann, Freya (4–6 September 2023). "Uipo tonology". 26th Himalayan Languages Symposium. Archived from the original on 3 December 2024. Retrieved 1 June 2025.
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Schumann, Freya (4–6 September 2023). "Uipo tonology". 26th Himalayan Languages Symposium. Archived from the original on 3 December 2024. Retrieved 1 June 2025.