TY  - BOOK
AU  - STENGEL,DONALD N.
TI  - Managerial economics: concepts and principles 
SN  - 1606492195
PY  - 2011///
CY  - New York, NY
PB  - Business Expert Press
KW  - Managerial economics
UR  - http://portal.igpublish.com/iglibrary/search/BEPB0000115.html
ER  -