C83, E31, E52
G38, Q54, Q58, H23
C12; C8; C9; C93; H3; I12; R4
J28: Safety • Job Satisfaction • Related Public Polic, J81: Working Conditions, I31: General
O12, J24
I21, I25, Q54
Q51, Q54, D9
Q18, Q54, C90, D12, D91
D73; H11; O12; O33; O35
O13, O15, Q16