000 00373nam a2200133Ia 4500
008 221001s1971 xx 000 0 eng d
082 _a330 STI
100 _aStilwell, J. A.
245 0 _aWorkbook to accompany: An introduction to positive economics
250 _a2nd ed.
260 _aEngland
_bEnglish Language Book Society
_c1971
300 _a271p.
942 _2ddc
_cREF
999 _c19212
_d19212