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"UDEF." Fullformexpand.com, https://www.fullformexpand.com/udef/981193. Accessed 14 Jan. 2026.
Fullformexpand.com, 2026. "UDEF." Accessed January 14, 2026. https://www.fullformexpand.com/udef/981193.
"UDEF." (n.d.). Fullformexpand.com. Retrieved January 14, 2026, from https://www.fullformexpand.com/udef/981193.
UDEF. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/udef/981193 (Accessed: 14 January 2026).