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"ECIGN." Fullformexpand.com, https://www.fullformexpand.com/ecign/364081. Accessed 22 Nov. 2025.
Fullformexpand.com, 2025. "ECIGN." Accessed November 22, 2025. https://www.fullformexpand.com/ecign/364081.
"ECIGN." (n.d.). Fullformexpand.com. Retrieved November 22, 2025, from https://www.fullformexpand.com/ecign/364081.
ECIGN. (2025). Fullformexpand.com. Available at: https://www.fullformexpand.com/ecign/364081 (Accessed: 22 November 2025).