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"HPA." Fullformexpand.com, https://www.fullformexpand.com/hpa/990429. Accessed 3 Jan. 2026.
Fullformexpand.com, 2026. "HPA." Accessed January 3, 2026. https://www.fullformexpand.com/hpa/990429.
"HPA." (n.d.). Fullformexpand.com. Retrieved January 3, 2026, from https://www.fullformexpand.com/hpa/990429.
HPA. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/hpa/990429 (Accessed: 3 January 2026).