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"GCGB." Fullformexpand.com, https://www.fullformexpand.com/gcgb/213668. Accessed 4 Jan. 2026.
Fullformexpand.com, 2026. "GCGB." Accessed January 4, 2026. https://www.fullformexpand.com/gcgb/213668.
"GCGB." (n.d.). Fullformexpand.com. Retrieved January 4, 2026, from https://www.fullformexpand.com/gcgb/213668.
GCGB. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/gcgb/213668 (Accessed: 4 January 2026).