TY  - BOOK
AU  - Porterfield, Deborah
TI  - Construction and trades
SN  - 9780816068975
U1  - 331.7020973 POR 
PY  - 2007///
CY  - New York
KW  - Building trades--Vocational guidance
KW  - Economics
N1  - Includes index
ER  -