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"RENG." Fullformexpand.com, https://www.fullformexpand.com/reng/722100. Accessed 23 Nov. 2025.
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"RENG." (n.d.). Fullformexpand.com. Retrieved November 23, 2025, from https://www.fullformexpand.com/reng/722100.
RENG. (2025). Fullformexpand.com. Available at: https://www.fullformexpand.com/reng/722100 (Accessed: 23 November 2025).