TY  - BOOK
AU  - Harbury, CD.
TI  - Work book in introductory economics
SN  - 0-08-017942-8
AV  - HB74.6.H37 1974 
PY  - 1974///
CY  - Oxford, UK.
PB  - Wheaton and  Company Limited
KW  - Economics
ER  -