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"GPB." Fullformexpand.com, https://www.fullformexpand.com/gpb/125821. Accessed 25 Nov. 2025.
Fullformexpand.com, 2025. "GPB." Accessed November 25, 2025. https://www.fullformexpand.com/gpb/125821.
"GPB." (n.d.). Fullformexpand.com. Retrieved November 25, 2025, from https://www.fullformexpand.com/gpb/125821.
GPB. (2025). Fullformexpand.com. Available at: https://www.fullformexpand.com/gpb/125821 (Accessed: 25 November 2025).