TY  - BOOK
AU  -  Ogden,Delbert C.
AU  -  Klawe,Kathleen W.
AU  -  Lipsey
TI  -  Testing and learning resource book to accompany Lipsey/Purvis/Sparks /Steiner Economics, 4th ed. / 
SN  -  0063640139
U1  -  330 
PY  - 1976///
CY  -  Cambridge : 
PB  -  Harper & Row , 
KW  -  Economics
ER  -