TY  - BOOK
AU  - Long,Kenneth E.
AU  - Clark, Jeff R. .foreword by
TI  - Introduction to economics
SN  - 0442238940 (pbk.)
U1  - 330 19
PY  - 1981///
CY  - New York
PB  - Van Nostrand
KW  - Economics
N1  - Includes bibliographical references and index
ER  -