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"GBGM." Fullformexpand.com, https://www.fullformexpand.com/gbgm/597529. Accessed 15 Feb. 2026.
Fullformexpand.com, 2026. "GBGM." Accessed February 15, 2026. https://www.fullformexpand.com/gbgm/597529.
"GBGM." (n.d.). Fullformexpand.com. Retrieved February 15, 2026, from https://www.fullformexpand.com/gbgm/597529.
GBGM. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/gbgm/597529 (Accessed: 15 February 2026).