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"OCSM." Fullformexpand.com, https://www.fullformexpand.com/ocsm/occupational-classification-system-manual. Accessed 19 Feb. 2026.
Fullformexpand.com, 2026. "OCSM." Accessed February 19, 2026. https://www.fullformexpand.com/ocsm/occupational-classification-system-manual.
"OCSM." (n.d.). Fullformexpand.com. Retrieved February 19, 2026, from https://www.fullformexpand.com/ocsm/occupational-classification-system-manual.
OCSM. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/ocsm/occupational-classification-system-manual (Accessed: 19 February 2026).