Fullformexpand.com, 2026. "TRIFR." Accessed April 25, 2026. https://www.fullformexpand.com/trifr/total-recordable-injury-frequency-rate.
"TRIFR." (n.d.). Fullformexpand.com. Retrieved April 25, 2026, from https://www.fullformexpand.com/trifr/total-recordable-injury-frequency-rate.
TRIFR. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/trifr/total-recordable-injury-frequency-rate (Accessed: 25 April 2026).