D73, D83, D84, I23
J28: Safety • Job Satisfaction • Related Public Polic, J81: Working Conditions, I31: General
D73; H11; O12; O33; O35
D72, D73, D91, H23, Q38, P11
C93;D03;D21;D83;D84;J64;O17;O12
H31, D31, D63
D03, I20, I21, O12, C93
C91, C92, D03, Z13
C91, C92, D03, Z13
D72, D73, H1, H4, K42