TY  - BOOK
AU  - Bronfenbrenner,Martin
AU  - Sichel,Werner
AU  - Gardner,Wayland D.
TI  - Economics: Instructors manual 
SN  - 039542514X
PY  - 1987///
CY  - Boston
PB  - Houghton Mifflin
KW  - Economics
ER  -