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"GPTK." Fullformexpand.com, https://www.fullformexpand.com/gptk/604058. Accessed 11 Jan. 2026.
Fullformexpand.com, 2026. "GPTK." Accessed January 11, 2026. https://www.fullformexpand.com/gptk/604058.
"GPTK." (n.d.). Fullformexpand.com. Retrieved January 11, 2026, from https://www.fullformexpand.com/gptk/604058.
GPTK. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/gptk/604058 (Accessed: 11 January 2026).