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"X-BAR." Fullformexpand.com, https://www.fullformexpand.com/x-bar/1020846. Accessed 29 Nov. 2025.
Fullformexpand.com, 2025. "X-BAR." Accessed November 29, 2025. https://www.fullformexpand.com/x-bar/1020846.
"X-BAR." (n.d.). Fullformexpand.com. Retrieved November 29, 2025, from https://www.fullformexpand.com/x-bar/1020846.
X-BAR. (2025). Fullformexpand.com. Available at: https://www.fullformexpand.com/x-bar/1020846 (Accessed: 29 November 2025).