Sinaga, G.O. and Vioito Sinaga, C. 2022. Working Period Relationship, Safety Knowledge, and Safety Performance among the Construction Workforce of Light Rail Transit. The Indonesian Journal of Occupational Safety and Health. 11, 3 (Nov. 2022), 323–332. DOI:https://doi.org/10.20473/ijosh.v11i3.2022.323-332.