@base .
a ;
"1465-9549" ;
.
a ;
"1465-9549" ;
.
a , , ;
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"Construction careers handbook." ;
;
;
"1465-9549" ;
;
"1465-9549" ;
;
"1465-9549" ;
"Construction careers handbook" , "Construction careers handbook." .
.
a .
a ;
;
"20091019115300.0"^^ ;
;
.
a , ;
"Construction careers handbook" .