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"OP2S." Fullformexpand.com, https://www.fullformexpand.com/op2s/168863. Accessed 17 Jan. 2026.
Fullformexpand.com, 2026. "OP2S." Accessed January 17, 2026. https://www.fullformexpand.com/op2s/168863.
"OP2S." (n.d.). Fullformexpand.com. Retrieved January 17, 2026, from https://www.fullformexpand.com/op2s/168863.
OP2S. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/op2s/168863 (Accessed: 17 January 2026).