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"PFK." Fullformexpand.com, https://www.fullformexpand.com/pfk/703632. Accessed 15 Jan. 2026.
Fullformexpand.com, 2026. "PFK." Accessed January 15, 2026. https://www.fullformexpand.com/pfk/703632.
"PFK." (n.d.). Fullformexpand.com. Retrieved January 15, 2026, from https://www.fullformexpand.com/pfk/703632.
PFK. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/pfk/703632 (Accessed: 15 January 2026).