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"OPENU." Fullformexpand.com, https://www.fullformexpand.com/openu/694127. Accessed 24 Nov. 2025.
Fullformexpand.com, 2025. "OPENU." Accessed November 24, 2025. https://www.fullformexpand.com/openu/694127.
"OPENU." (n.d.). Fullformexpand.com. Retrieved November 24, 2025, from https://www.fullformexpand.com/openu/694127.
OPENU. (2025). Fullformexpand.com. Available at: https://www.fullformexpand.com/openu/694127 (Accessed: 24 November 2025).