TY  - BOOK
AU  - Gronlund, Norman E.
AU  - xx, 686 p.
AU  - Title
TI  - Economics and commerce: the sources of information and their organisation
SN  - 0065012726
PY  - 1965///
CY  - New York
PB  - MacMillan
KW  - Educational tests and measurements
N1  - Includes bibliographies
ER  -