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"ETCB." Fullformexpand.com, https://www.fullformexpand.com/etcb/581281. Accessed 17 Feb. 2026.
Fullformexpand.com, 2026. "ETCB." Accessed February 17, 2026. https://www.fullformexpand.com/etcb/581281.
"ETCB." (n.d.). Fullformexpand.com. Retrieved February 17, 2026, from https://www.fullformexpand.com/etcb/581281.
ETCB. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/etcb/581281 (Accessed: 17 February 2026).